---Excuse me could you tell me ?---Sorry sir. I wasnt there at that time.A. how did the

问题补充：

---Excuse me, could you tell me ?

---Sorry, sir. I wasn there at that time.

A. how did the accident happen

B. how the accident happened

C. how does the accident happen

答案：

解析：

试题分析:根据选项内容可知考察宾语从句语序问题，宾语从句中一般为陈述语序，选项AC语法错误，故选B。