Question

【题目】While they were playing, a bomb _____ on the Bay Bridge, and one boy was injured seriously.

A. explored

B. fought

C. exploded

D. happened

Answer 1

【答案】C

【解析】句意：当他们在玩耍时，一枚炸弹在海湾大桥上爆炸了，其中一个孩子受伤严重。explode表示“爆炸”，符合语境。explore表示“探索”；fight表示“战斗”．happen表示“发生”。