Question

【题目】The manager came over and asked the customer how____

A. did the quarrel came about

B.the quarrel had come about

C. had the quarrel come about

D. had the quarrel come about

Answer 1

【答案】B

【解析】

试题分析：考查宾语从句。句意：经理走过来，问客户争吵是如何发生的。 因为后面是宾语从句，要用正常语顺，不能再用助动词，did 、had等了。故选B。