【题目】Sometimes I act as a listening ear for fellow students ______ what is bothering them.
A. to talk over B. talked about
C. talk about D. having talked over
在线课程【答案】A
【解析】句意：有时候我扮演一个倾听者，和学生们讨论那些困扰他们的事情。分析可知 to talk over what is bothering them为不定式作目的状语。故选A。