问题补充:
, the concert began.
A. The listeners having taken their seats
B. Having taken their seats
C. Having taken their places
D. Taking their seats
答案:
(答案→)A. The listeners having taken their seats
B. Having taken their seats
C. Having taken their places
D. Taking their seats
解析: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