While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?

A
Supervise the signaling and flag etiquette.
B
Record the bells and their times in the bell book.
C
Insure that helm and throttle orders given by the Pilot are correctly executed.
D
Judge the appropriateness of the Pilot's orders and countermand them if necessary.
E