It was foolish of him to his notes during that important test and as a result he got pun

问题补充：

It was foolish of him to his notes during that important test, and as a result, he got punished.

A. stick to

B. refer to

C. keep to

D. point to

答案：

A. stick to

(答案→)B. refer to

C. keep to

D. point to

解析：句意：他在这么重要的考试中偷看笔记真是愚蠢，因此他受到惩罚了。stick to坚持；refer to参考；keep to遵守；point to指向，表明。根据句意故选B。