单选题After an engine is started you should（）.Aincrease engine speed to insure adequate flow of oil to all parts of the engineBpay no attention unless there are unusual noises from the engineCcheck operating pressures and temperatures，and check for leaksDrun the engine at idle until the temperature has increased
单选题
After an engine is started you should（）.
A
increase engine speed to insure adequate flow of oil to all parts of the engine
B
pay no attention unless there are unusual noises from the engine
C
check operating pressures and temperatures，and check for leaks
D
run the engine at idle until the temperature has increased
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