单项选择题
A single vessel being towed alongside shall exhibit（）.
A.one all-round white light B.sidelights and a sternlight C.only the outboard sidelight and a sternlight D.a masthead light，sidelights，and a sternlight
单项选择题 A reaching course is one in which the wind（）.
单项选择题 （）is prohibited in this area.
单项选择题 You are to（）the convoy at 1745 hours.
