The electric motor driven pumps is monitored for overheat by a__

The electric motor driven pumps is monitored for overheat by a______ （温度开关） in the case ______ （回油管）and the pump case.

A.temperature switch,return line;

B.thermal knot, scavenge;

C.temperature switch, pressure transmitter;

D.actuator, return line;

正确答案是A