He ______ satisfaction from helping people in trouble. A: derides B: derives C: deviates D: detaches

An inflatable life raft is thrown into the water from a sinking vessel。 What occurs automatically after the painter trips the CO2 bottles to inflate the raft?( ) A: A. The sea anchor deploys   B: B. The floor inflates C: C. If upside down, the craft rights itself D: D. The painter detaches from the raft