He became inspired when he thought about helping ordinary people to cholera.
A. expose
B. exposed
C. exposing
D. to expose
网友回答
A. expose
(答案→)B. exposed
C. exposing
D. to expose
解析:考查形容词短语做定语。固定词组be exposed to遭受,暴露于…。本句是形容词短语做定语修饰ordinary people.句意:当他想起他可以帮助那些遭受霍乱的人的时候,他变的很兴奋。故B正确。