Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

A.the master and the chief engineer are unable to communicate effectively
B.serious corrosion on the hull
C.damaged sanitary pump
D.one page missing in the oil record book

A.absence of engine log book
B.serious corrosion on the hull
C.one page missing in the oil record book
D.paint peeling off some tailings in engine rooms

A.paint peeling off the uptake
B.no operation procedures for the oil separators
C.one of ship’s certificates required is invalid
D.damaged sanitary pump