The increase of the number of the students in our school makes the computers not to each

问题补充：

The increase of the number of the students in our school makes the computers not to each student．

A. available

B. affordable

C. helpful

D. acceptable

答案：

(答案→)A. available

B. affordable

C. helpful

D. acceptable

解析：题意：我们学校学生数量的增长使计算机不能人手一台。available可以得到的, 可达到的, 可用的；affordable买得起的；helpful 有帮助的；acceptable可以接受的；根据句意，A项符合题意。