【题目】He hasn't slept at all for three days. It is ______ he is tired out.
A.no idea
B.no way
C.no wonder
D.no doubt

【答案】C
【解析】考查固定句式。句意：他三天没有睡觉，难怪他那么累。There is no point“没必要”；There is no need“没必要”；It is no wonder“难怪”；It is no way“没门”。选C。