A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.

A. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel
B. State his concerns to the Pilot but do not interfere with the handling of the vessel
C. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears
D. Recommend an alternative action and if not followed relieve the Pilot