【单选题】Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the ____. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
air charge density becoming too high
B.
piston crown surfaces becoming too cold
C.
formation of excessive quantities of condensate
D.
compression pressure being greatly reduced prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>