Julywasfeelingalittlebluebecausehermother

問題詳情：

July was feeling a little blue because her mother _________ from her job and she had lots of bills to pay.

       A. had laid off                                      B. has been laid off

C. has laid off                                            D. had been laid off

【回答】

D

知識點：過去完成時及其被動式

題型：選擇題