In a diesel engine lube oil cooler, with sea water cooling the lubricating oil, what statement is true?

A
The lube oil pressure is always kept higher than the sea water pressure, and in case of lube oil cooler leak, the lube oil sump level will decrease
B
he sea water pressure is always kept higher than the lube oil pressure, and in case of lube oil cooler leak, the lube oil sump level will increase
C
The sea water pressure is always kept higher than the lube oil pressure, and in case of lube oil cooler leak, the lube oil sump level will decrease
D
The lube oil pressure is always kept higher than the sea water pressure, and in case of lube oil cooler leak, the lube oil sump level will increase
E