I think it--question-- C too hard a;to answer D a too hard; to answer

问题描述:

I think it--question-- C too hard a;to answer D a too hard; to answer
B答案为什么不对,以及为什么是too hard a question
而不是a too hard question
B such a hard; to answer

C too hard a;to answer
用too...to..
所以C D中C正确
too hard a question
而不是a too hard question