Where is this broadcast likely to be heard?
A.On a plane taking off
B.In the departure lounge in an airport
C.In the arrival lounge in an airport
D.From a TV

A.On
B.In
C.In
D.From

【参考答案】

B
解析：登机召集一般在机场的出发大厅播放，可知正确项是(B)。