The conventions under which the port state control inspection is carried out include all the following except （）.

A.the owner of the ship
B.the manager who assumes the responsibility for operation of the ship
C.the bareboat charterer
D.All of the above

A.physical state
B.temperature
C.atmospheric pressure
D.sensible pressure

A.it is difficult for them to finish the job in time
B.difficult for them to finish the job in time
C.they have much difficulty to finish the job in time
D.that difficult for them to finish the job in time