问题描述：
The manager came over and asked the customer how____
选项:
a、did the quarrel came about
b、the quarrel had come about
c、had the quarrel come about
d、 had the quarrel come about
选项:
a、did the quarrel came about
b、the quarrel had come about
c、had the quarrel come about
d、 had the quarrel come about
问题解答：
我来补答展开全文阅读