If the piston groove drain holes for the oil control rings become clogged, which of the fo

If the piston groove drain holes for the oil control rings become clogged, which of the following is likely to occur？

A.The oil control rings will seal improperly and wear rapidly

B.The piston will overheat due to insufficient lubrication

C.Excessive oil will remain on the cylinder wall

D.Light brown smoke will emanate from the engine exhaust

请帮忙给出正确答案和分析，谢谢！

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