【题目】I_________ along the street looking for a place to park when the accident__________.
A. went; was occurring B. went; occurred
C. was going; had occurred D. was going; occurred
在线课程【答案】D
【解析】句意：我正沿着街道寻找地方停车时事故发生了。本题考查be doing when 正…时，…发生了，两个动作几乎同时进行，前后句时态一致，故选D。