You are on watch and the Pilot has the conn.The Master has temporarily gone below.The Pilot orders a course change which you are certain will put the vessel into imminent danger.Your first action should be to（）.
- ACountermand the order and immediately notify the Master
- BMake an appropriate entry in the deck log concerning the Pilot's order
- CImmediately call the Master and await further orders from him
- DImmediately sound a short ring on the general alarm