如果FMGC1的FM部分故障,那么()
A:MCDU1上显示INDEPENDENT OPERATION
B:MCDU1上显示OPP FMGC IN PROGRESS
C:MCDU2上显示OPP FMGC IN PROGRESS
D:MCDU2上显示FMS1/FMS2 AC STS DIFF
出自:民用航空器维修人员执照