中国大学MOOC: Why could the ferryman steer the boat at ease in the fable Steering a Boat?

Why could the ferryman steer the boat at ease in the fable Steering a Boat? A: Because he was born to be good at steering. B: Because he had great interest in steering. C: Because he was familiar with the conditions that are similar to steering a boat. D: Because he was brave and was not afraid of any danger.

Why could the ferryman steer the boat at ease in the fable Steering a Boat? A: Because he was born to be good at acquiring any skill. B: Because he had a great interest in steering a boat. C: Because he had been familiar with the conditions similar to steering a boat. D: Because he was not afraid of any danger.