He appears a long time. He is impatient for my arrival. A. to wait B. to be wait

He appears ______ a long time. He is impatient for my arrival.

A. to wait          B. to be waiting        C. to have waited    D. to have been waiting

试题答案

D

解析:

此题考查非谓语动词的时态。该句中wait动作从过去到现在一直都在延续，并没有停止，故选D。