问题
单项选择题
When a vessel is aground,（）.
A.she is underway
B.she is not underway
C.whether she is underway cannot be determined
D.she might be or not be underway
答案
参考答案：B
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When a vessel is aground,（）.
A.she is underway
B.she is not underway
C.whether she is underway cannot be determined
D.she might be or not be underway
参考答案：B