问题补充：
-–I hear you your project at the end of last week.
-–In fact, I it by the end of last month.
A. had finished; had finished
B. finished; had finished
C. had finished; finished
D. finished; finished
答案：
A. had finished; had finished
(答案→)B. finished; had finished
C. had finished; finished
D. finished; finished
解析：第一句的内容根据last week.，要用一般过去时，by the end of last month表示到去年年底之前，应该用过去完成时。故选B
