Regarding Normal and Alternate braking systems, which statement is true?
A.A.Antiskid protection will operate on both systems, Autobrake will only operate on the normal system.
B.B.Antiskid protection will operate on both systems, Autobrake will operate on both systems.
C.C.Antiskid protection will only operate on the normal system, Autobrake will operate on both systems.
D.D.Antiskid protection will only operate on the normal system, autobrake will only operate on the normal system.
正确答案是A