A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed

A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed with normal fuel pressure and ambient temperatureThe reason for the failure could be ___.

A.glazed liners or pistons

B.high lube oil pressure

C.excessive compression ratio

D.worn valve seats and valves

请帮忙给出正确答案和分析，谢谢！

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