单项选择题
A.overtaking／overtaken
B.being overtake／being overtaken
C.overtaking／being overtaken
D.being overtaking／overtaken
单项选择题 Any alteration of course and／or speed to avoid collision shall，if the circumstances of the case admit，（）to another vessel observing visually or by radar.
单项选择题 All of the following constitute special circumstances EXCEPT（）.
单项选择题 All of the following are practices of good seamanship EXCEPT（）.