[单选题]S1：How are things going, Bosun? S2：Fine, everything is going well. S1：: What’s happening on deck?S2：Well, some ratings are sweeping the deck at the moment. S1：And the AB? S2： He’s painting right now. S1：Right. Who’s testing the alarms today? S2：I think the 3rd Engineer is S1：OK, good. I’m going to the bridge to see the electrician. He ’ s repairing the radio. S2：OK, Sir. 1:What are the ratings doing?
A.They are painting.
B.They are testing the alarms.
C. They are sweeping the deck.
D.They are repairing the radio.

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