Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.

Question. Niggli first visited Viet Nam in 1999. He has been a generous sponsor of underprivileged Vietnamese children since then.

A. Last week, a team of foreign volunteers set up a campaign for students with disabilities to join in.

B. Last week, students with disabilities volunteered to launch a campaign with the help of a team of foreign volunteers.

C. Last week, both a team of foreign volunteers and students with disabilities launched a campaign

D. Last week, a campaign was launched to help students with disabilities by a team of foreign volunteers

A. Doing voluntary work can make contribution to our community by both disabled and non-disabled people.

B. Either disabled or non-disabled people can make voluntary contribution to our community.

C. Not only disabled people but also non-disabled ones can contribute to our community by doing voluntary work.

D. With voluntary work, our community can contribute a lot thanks to both disabled and non-disabled people.

A. Funds were raised for needy children in Viet Nam by a one-year-walk from their continent to Asia by two European philanthropists.

B. In order to raise funds for needy children in Viet Nam, two European philanthropists have spent more than a year walking from their continent to Asia.

C. Two European philanthropists have been walking from their continent to Asia for more than a year because of needy children in Viet Nam

D. Two European philanthropists walked from their continent to Asia more than a year ago to raise funds for needy children in Viet Nam

A. Both the students and poor children in Can Tho crafted 800 paper lanterns in the last Mid-Autumn Festival.

B. 800 paper lanterns were crafted for poor children in the last Mid-Autumn Festival by hundreds of students in Can Tho.

C. Hundreds of students in Can Tho had 800 paper lanterns made for poor children in the last Mid-Autumn Festival.

D. Thanks to hundreds of students in Can Tho, poor children made 800 paper lanterns in the last Mid-Autumn Festival

A. Although it was broadcast live on HTV9 channel last night, the program about the campaign only drew the participation of 25 companies and sponsors in the city.

B. The program about the campaign, which was broadcast live on HTV9 channel last night, drew the participation of 25 companies and sponsors in the city.

C. The program about the campaign not only drew the participation of 25 companies and sponsors in the city but it was also broadcast live on HTV9 channel last night.

D. The program about the campaign was broadcast live on HTV9 channel last night in order to draw the participation of 25 companies and sponsors in the city.

A. Although it was broadcast live on HTV9 channel last night, the program about the campaign only drew the participation of 25 companies and sponsors in the city.

B. A Vietnamese ex-student of Oxford University who has established a foundation constructed bridges to facilitate travel in isolated communities.

C. Bridges are constructed to facilitate travel in isolated communities by a Vietnamese ex-student of Oxford University who has established a foundation.

D. If a Vietnamese ex-student of Oxford University has established a foundation, he will construct bridges to facilitate travel