A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.

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

A.from the ship's propeller when making up aft
B.from being overrun if making up forward
C.hull damage while alongside passing a hawser
D.getting in a tripping position

A.at any time while underway
B.while at anchor
C.while alongside a vessel
D.All of the above