----I’m thinking of the test tomorrow, I’m afraid I can’t pass this time.
---- ! I’m sure you’ll make it.
A. Go ahead
B. Good luck
C. No problem
D. Cheer up
网友回答
A. Go ahead
B. Good luck
C. No problem
(答案→)D. Cheer up
解析：考查交际用语。Go ahead请吧，Good luck祝你好运，No problem没问题，Cheer up振作起来，根据上下文可知上句担心自己不能通过这次考试。下句应该是鼓励他。故D正确。