问题
选择题
What do you think of the reasons ______ he explained at the meeting ______ reducing the price?
A．why；why
B．that；for which
C．that；for
D．which；why
答案
答案：C
分析reason后的定语从句可以看出，定语从句中的谓语动词explained缺少宾语，因此第一空应该填that或which。第二空的介词for表示“……的理由或原因”。故选C项。