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单选题
DURING MUSIC OR VIDEO EMISSION IN CABIN, IF A PRERECORDED ANNOUNCEMENT IS BROAdCAST:
A
The prerecorded announcement is broadcast automatically at the end of the music or video program.
B
The prerecorded announcement has priority over music or video program.
C
The prerecorded announcement has priority over music or video program only in an emergency condition.
答案解析
正确答案：B
