Wang Lin reads books at the school library the afternoon every day.A. ofB. onC. atD. in

问题补充：

Wang Lin reads books at the school library the afternoon every day.

A. of

B. on

C. at

D. in

答案：

A. of

B. on

C. at

(答案→)D. in

解析：在一天的一段时间通常用介词in，本题中的在下午表示一段时间，故本题选D。