单项选择题
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
单项选择题 Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
单项选择题 Which one of two crossing power-driven vessels has the right of way in a fog（）.
单项选择题 Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.