Pulling the engine fire warning switch up:

Pulling the engine fire warning switch up:

A.A.Closes both the engine fuel shutoff valve and the spar fuel shutoff valve

B.B.Closes both the engine fuel shutoff valve and the spar fuel shutoff valve only if the battery switch is ON

C.C.Closes the spar fuel shutoff valve. The engine fuel shutoff valve must be closed using the engine start lever

D.D.Closes the engine fuel shutoff valve. The spar fuel shutoff valve must be closed using the engine start lever

正确答案是A