A.The vessel which has the other on her own starboard side
B.The vessel which has the other on her own port side
C.The one which hears the other's fog signal first
D.Neither vessel is the stand-on vessel

A.A vessel transferring provisions while underway
B.A pushing vessel and a vessel being pushed when connected in a composite unit
C.A vessel servicing a navigation mark
D.A vessel launching aircraft

A.A vessel picking up a navigation mark
B.A vessel transferring cargo while underway
C.A vessel whose anchor is fouled
D.A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course

A.A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver
B.A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft
C.A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing
D.A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver

A.The power-driven vessel must keep out of the way of the sailing vessel
B.A special circumstance situation exists
C.The sailing vessel must keep out of the way of the power- driven vessel
D.The vessel which has the other vessel to the right must keep out of the way