The call system is used as a means for various crewmembers to gain the attention of other crewmembers and to indicate that interphone communication is desired. Attention is gained through the use of lights and aural signals (chimes or horn). If the flight deck calls the cabin crew, the visual signal at called position is:
A.A.Blue
B.B.Pink
C.C.Green
D.D.Blue then becomes red after 5 seconds.
正确答案是B