___________of last term we ___________ over two thousand new words.

A.At the end; had learned

B.In the end; learned

C.By the end; have learned

D.By the end; had learned

答案及解析： D

解析：

这题的第一空填by the end of“到…结束为止”，后面接的是last week“过去时间”，所以句子用过去完成时，句意是：到上学期末为止，我们已经学习了2000多个生词。选D。