—Sorry I can’t go camping with you.I have to prepare well enough for the entrance exam.—！

问题补充：

—Sorry，I can’t go camping with you.I have to prepare well enough for the entrance exam.

—！ We can camp together next time.

A. Don’t say so

B. Congratulations

C. Good luck

D. No problem

答案：

A. Don’t say so

B. Congratulations

C. Good luck

D. No problem

解析：C

解析句意为：——对不起，我不能和你一起去野营了。我必须为入学考试做好准备。——祝你好运！我们可以下次一起去。对方要参加考试，应祝其好运，故C项符合语境。A项“不要那么说”；B项“祝贺你”；D项“没问题”。