问题补充:
.It was obviously that the man driving on the free way for almost an hour when he that he must come back.
A. was; was told
B. had been; was told
C. had been; told
D. was; was told
答案:
A. was; was told
(答案→)B. had been; was told
C. had been; told
D. was; was told
解析:考查时态。句意:很明显当他被告知他必须返回时,这个男人已经在免费高速公路上开了将近一个小时。结合语境可知前文描述的是在过去已经完成的动作,故用过去完成时态。他是被告知的对象,故用被动语态,选B。