1807. Aircraft flight control cable is the stranded steel cable used to actuate the controls of an aircraft The cable is made of either stainless steel or galvanized carbon steel
选项：

A:
A:The material used for the flight control cable may be the stainless steel.
B:
B:Aluminium alloy can be selected as material for the aircraft flight control cables.
C:
C:Galvanized carbon steel can never be used to make flight control cables.