When the pilot is climbing up the ladder ,what will you say?（）<br>A:Careful!<br>B:Watch your step!<br>C:Get hold of the ladder!<br>D:A 、B and C

When the pilot is climbing up the ladder ,what will you say?（）
A:Careful!
B:Watch your step!
C:Get hold of the ladder!
D:A 、B and C

出自：船舶水手证

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