______, the conference began.
#91020
A
The candidates having taken their seats
B
The candidates had taken their seats
C
Taken their seats
D
Taking their seats
推荐题目
As is known to all, Montreal is the second largest French-speaking city in the world, _____.
#90918
A
Paris is the largest
B
Paris the largest
C
Paris to be the largest
D
Paris be the largest