The news came as no surprise to me. I for some time that the factory was going to shut d

问题补充：

The news came as no surprise to me. I for some time that the factory was going to shut down.

A. had known

B. knew

C. have known

D. know

答案：

(答案→)A. had known

B. knew

C. have known

D. know

解析：从for some time可知，用完成时态。从第一句“我对这消息根本不惊讶”可知，我在此之前早就知道了。动作know发生在come之前，故用过去完成时。