【题目】If he ______ a Doctor's degree, he would not have been accepted by this well-known company last year.
A.couldn't get
B.wouldn't get
C.didn't get
D.hadn't got

【答案】D
【解析】句意：如果他没有得到博士学位，去年他就不会被著名的公司接受。对过去的虚拟，固定搭配，从句if had done, 主句 would have done故选D。