Has your father finished his new novel yet?

Has your father finished his new novel yet?
I don't know,he ____it yesterday evening.
A.wrote
B.has written
C.had written
D.was writing
为什么用过去进行时?
yesterday evening不是“昨天晚上”吗,只一个晚上,是个时间段吧,过去进行时是要具体时间点吧.
帮我分析下