When the 'ROLL' flag (amber) appear on the Attitude indicator:
A.A.The Captain & First Officer roll display differ by more than 2 degrees
B.B.The Captain & First Officer roll display differ by more than 5 degrees
C.C.The Captain & First Officer roll display differ by more than 10 degrees
D.D.The Captain & First Officer roll display differ by more than 15 degrees
正确答案是B