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

Kathy did not study hard, so she failed.

A. Mr. Pike, whose land I bought last year, is a famous doctor.

B. Mr. Pike, who is a famous doctor, whose land I bought last year.

C. Mr. Pike, whose land I bought, is a famous doctor.

D. Mr. Pike, who I bought his land last year, is a famous doctor.

A. Peter promised to buy Mary a beautiful dress.

B. Peter said thanks to Mary for her beautiful dress.

C. Peter complimented Mary on her beautiful dress.

D. Peter asked Mary how she had just bought her beautiful dress.

A. He did not succeed as a professional writer until he was 20.

B. He did not write professionally until he succeeded at the age of 20.

C. He succeeded as a professional writer until he was 20.

D. He wrote professionally until he became successful at the age of 20.

A. Peter said hello Mary. 

B. Peter said Mary hello.

C. Peter told Mary hello

D. Peter greeted Mary.

A. He likes the dress which Huong is wearing it

B. He likes the dress Huong is wearing it

C. He likes the dress who Huong is wearing

D. He likes the dress Huong is wearing

A. Because her teacher attracted her, she raised her hand high.

B. To attract her teacher's attention, she raised her hand high.

C. Though she raised her hand high, she could not attract her teacher's attention.

D. She had such a high raising of hand that she failed to attract her teacher's attention.