I don’t think he could have done such a stupid thing last night, _____?
A. do I B. could he C. did he D. has he
I don’t think he could have done such a stupid thing last night, _____?
A. do I B. could he C. did he D. has he
C
陈述部分为主从句的复合句,且主句的主语和谓语是I think, I suppose, I believe, I imagine等结构时,附加疑问句的人称和数往往要与从句的人称和数保持一致,并要注意否定的转移。