问题描述：
[单选]
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur？
A．pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B．An electromagnetic brake will hold the load where it is suspended
C．The load will fall rapidly to the deck unless the foot brake is engaged
D．The load will slowly lower to the deck under control of the drag of the winch motor
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