we were all surprised when he made it clear that he_____office soon

问题描述:

we were all surprised when he made it clear that he_____office soon
A)leaves
B)would leave
C)left
D)had left
请说明选择的理由,为什么不能选D
2)the pen i thought i had lost is on my desk,right under my nose
请为我翻译全句

b
句子有soon,不能用过去时态.
2.我以为我丢掉的那只笔就在桌子上,在我鼻子底下.