He was caught in a traffic jam and by the time he reached the air_英语解答

He was caught in a traffic jam and by the time he reached the airport his friend's plane ( ).
A.has alread taken off B.had already taken off C.has been taken off
D.had been taken off

人气：206 ℃　时间：2019-11-01 23:56:36

解答

答案选B.
解析：由句中的was caught可知该句为一般过去时,结合语境,可知当他赶到机场的时候,朋友的飞机已经起飞了,因此应该为过去完成时态,排除选项A和C.
take off表飞机起飞,不存在被动语态,因此排除选项D,所以选择B.