Question

I don’t think Ken did such a stupid thing，            ？

A．do I

B．did I

C．did he

D．does he

Answer 1

C

考察反义疑问句。think, believe, expect, suppose, imagine等引导的定语从句，疑问部分与宾语从句相对应构成反意疑问句。从句中为过去时时态，故问句用过去时态。选C。