單項(xiàng)選擇題

A vessel,which is unable to maneuver due to some exceptional circumstance,shall exhibit ().

A.during the day,three balls in a vertical line
B.during the day,three shapes,the highest and lowest being balls and the middle being a diamond
C.when making way at night,two all-round red lights,sidelights,and a sternlight
D.when making way at night,masthead lights,sidelights,and a sternlight

微信掃碼免費(fèi)搜題