The ASM brake is a spring-loaded _____(离合器)assembly, it acts as

The ASM brake is a spring-loaded _____(离合器)assembly, it acts as a ___ （摩擦源）for the thrust lever.

A.clutch, adjustment;

B.rotor,friction source;

C.thrust lever,friction source;

D.clutch,friction source;

正确答案是D