To use automatic mode, _____ (拨入) the ____(期望的) fuel quantity on

To use automatic mode, _____ (拨入) the ____(期望的) fuel quantity on the load select control, and push the”SET” switch above the appropriate indicator.

A.exit,required;

B.gain,associated;

C.dial,desired;

D.roll, rear;

正确答案是C