求一道英语题的答案

选B， sexual exploitation 与forced labor 并列

exploration

1. 名词[可数/不可数] 探索，勘探

2. 名词[可数/不可数] 查究，探究

3. 名词[可数/不可数] 探讨，考察

4. 名词[可数/不可数] [医学] (对器官、伤处等的)探察术

exploitation [εkspl'te?n]

1. 名词 [of person] [ idea] 剥削

2. 名词 [of resources] 开发

evaporation 蒸发，挥发；脱水

explosion

1. 名词 [c] [of bomb] 爆炸

2. 名词 [of population] (increase) 激增

3. 名词 [of rage] [ laughter etc] (outburst) 迸发