Question

—I’m sure Andrew will win the first prize in the final.
—I think so. He ________ for it for months.

A．is preparing	B．was preparing
C．had been prepared	D．has been preparing

Answer 1

D

考查时态.我确信安德鲁最后能赢得一等奖.——我认为是这样。过去几个月中他一直在做准备。可知描述的是已完成的进行中的动作，故选D。