【题目】______, the concert began.
A. The listeners having taken their seats B. Having taken their seats
C. Having taken their places D. Taking their seats
在线课程【答案】A
【解析】句意：听众们坐好之后，音乐会开始了。本题独立主格做状语。主语concert 不可能执行take the seat 这一动作，必须加the listeners 做逻辑主语，故选A。