单选题What occurs in the combustion space of a diesel engine cylinder shortly after ignition and before the piston reaches TDC?（）ARapid increase in temperature with constant pressureBRapid increase in pressure with constant temperatureCRapid increase in pressure and temperatureDRapid increase in volume and decrease in pressure
单选题
What occurs in the combustion space of a diesel engine cylinder shortly after ignition and before the piston reaches TDC?（）
A
Rapid increase in temperature with constant pressure
B
Rapid increase in pressure with constant temperature
C
Rapid increase in pressure and temperature
D
Rapid increase in volume and decrease in pressure
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