Whoseideawasittogototheopera?Isuggested________A．g

Whose idea was it to go to the opera? I suggested________

A．go

B．to go

C．that go

D．going

正确答案：D
suggest后必须接动名词A．go是动词原形；B．togo是不定式两者都不可以用；C．thatgothat后没有主语也不符合