By the time of his death in 1982 Philip Dick ________ over 30 sc

By the time of his death in 1982 Philip Dick ________ over 30 science fictions and 112 short stories.
A、has written
B、had written
C、wrote
D、writes
【正确答案】：B
【题目解析】：本句用过去完成时表示在过去的某个时间点之前已经完成的事情。