What moved us most was that some ordinary people volunteered to help those in the storm i

问题补充：

What moved us most was that some ordinary people volunteered to help those in the storm in Beijing.

A. catching

B. having caught

C. to be caught

D. caught

答案：

A. catching

B. having caught

C. to be caught

(答案→)D. caught

解析：考查形容词用法。固定词组be caught in遭遇…；陷入…；本题中的caught in修饰those；句意：最让我感到的是在北京一些普通人自愿帮助那些在遭遇暴雨的人。故D正确。