---Can you imagine Peter ______ in the lonely mountain for as long as twenty years?---No．It’s not a kind of thing that humans could do．A.to liveB.to have livedC.having livedD.living
网友回答
C解析imagine要求后接动名词作宾语，Peter是动名词的逻辑主语。之所以用动名词的完成式，是因为这个动作发生在imagine以前，并持续了20年。