The most common forms of main drive used on deck auxiliaries are （）.<br>A:steam plants, electric motors and compressed air<br>B:diesel engine, hydraulic machinery and compressed air<br>C:steam plants, electric motors and hydraulic machinery<br>D:diesel engines, steam plants and hydraulic machinery

The most common forms of main drive used on deck auxiliaries are （）.
A:steam plants, electric motors and compressed air
B:diesel engine, hydraulic machinery and compressed air
C:steam plants, electric motors and hydraulic machinery
D:diesel engines, steam plants and hydraulic machinery

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