以下电报里N/M的意思是ZCZC5HK0041260552 GGZGGGUDXX 260552ZBBBCKXX ATTN:GDO/D CSNSEPN/MFLIGHTPLANASFLW: AIRCRAFTTYPE:B77F DATEANDSKED:PEKTIME 1.CSN8710ZSPD04150545ZHCCON07/14/21/28SEP2015 FLIGHTROUTE:ASSKED FLIGHTLEVEL:ASSKED PLSENSURE/WLK/87786586
A.调机
B.客运包机
C.货运包机
D.客运加班
正确答案是A