Which statement best explains how power is generated in a tidal power plant?
A. A barrage holds water at low tide and when it releases the water at high tide, the water turns the plant's turbines.
B. As the tides ebb and flow, water comes in and goes out through the barrage, turning the plant's turbines.
C. As the water flows through a barrage at high and low tides, it turns the plant's turbines.
D. A barrage holds water back when the tides ebb and flow, the force of this turns the plant's turbines.