A330-200飞机L4乘务员选择全客舱广播时,L4乘务员的AIP显示为________。 

A330-200飞机L4乘务员选择全客舱广播时,L4乘务员的AIP显示为________。 

A.PA ALL

B.PA ALL IN USE

C.BUSY

D.AFT L

正确答案是A