—Has your father finished his report?—Sorry I don’t knowHe it this morning．A. was writin

问题补充：

—Has your father finished his report?

—Sorry，I don’t know．He it this morning．

A. was writing

B. wrote

C. has written

D. had written

答案：

(答案→)A. was writing

B. wrote

C. has written

D. had written

解析：句意：你的父亲已经完成他的报告了吗？——抱歉，我不知道。今天早晨他正在写呢。结合语境可知下文描述的是过去时间（今天早晨）正在进行的动作，故用过去进行时态。选A。