【单选题】
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.
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