I was surprised by his words which made me recognized silly mistakes I had made . A. what

问题补充：

I was surprised by his words ,which made me recognized silly mistakes I had made .

A. what

B. that

C. how

D. which

答案：

(答案→)A. what

B. that

C. how

D. which

解析：

这题考查what引导的宾语从句，what修饰silly mistakes，句意是：我听到他的话很吃惊，这使我认识到我犯了多么愚蠢的错。