Choose the word or phrase (A, B, C or D) that best fits the blank space in the following passage.

In the summer of 2000 the Vietnam Society of Learning Promotion started a campaign for illiteracy eradication. In the campaign, six hundred (1) minority students from the northern highlands were asked to provide reading and writing skills to 1,200 illiterate people living in their home villages. In 2001, eight hundred volunteer. students took (2) in the campaign. The number of people receiving reading and writing lessons (3) 4,623. This was an effective way to help people in remote and mountainous areas to read and write. The fight (4) illiteracy continued in the summer of 2002. This time the Vietnam Society of Learning Promotion decided to (5) its activities to the central mountainous provinces. At present, the number of illiterate people in the remote and moutainous areas is (6) decreasing. It is hoped that illiteracy will soon be (7) in our country as more and more people are taking part in the struggle against it.