After everyone took------- place,the meeting began.A.his B.t

After everyone took_______ place,the meeting began.A.his B.their 那个正确 理由
答：A.
理由：因为place为单数.如果place 改为 places则用their 以代替his or her place
1.After everyone took his place,the meeting began.
2.After everyone took his or her place,the meeting began.
3.1.After everyone took their places,the meeting began.