(2013·高考辽宁卷)He was unhappy when he sold his guitar.After all，he it for a very long time.
A. has had
B. had had
C. has
D. had
网友回答
A. has had
(答案→)B. had had
C. has
D. had
解析：选B。句意：他把自己的吉他卖掉时并不高兴。毕竟，他拥有这把吉他已经很长时间了。由句意知，他“拥有吉他”的动作发生在“卖掉吉他”之前，而“卖掉吉他”发生在过去，因此空格处的动作发生在过去的过去，故用过去完成时态。