A pilot vessel may continue to sound an identity signal if she is （）.<br>A:underway，but not making way<br>B:aground<br>C:being towed<br>D:not engaged in pilotage duty

A pilot vessel may continue to sound an identity signal if she is （）.
A:underway，but not making way
B:aground
C:being towed
D:not engaged in pilotage duty

出自：海船船员证

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