Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）<br>A:When at anchor，the pilot vessel is only required to sound anchor signals<br>B:The identification signal must be sounded any time the pilot vessel is underway<br>C:The pilot vessel may only sound the identity signal when making way<br>D:All of the above

Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）
A:When at anchor，the pilot vessel is only required to sound anchor signals
B:The identification signal must be sounded any time the pilot vessel is underway
C:The pilot vessel may only sound the identity signal when making way
D:All of the above

出自：海船船员证

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