波浪能推动船前进吗While waiting for the lake to become calm enough fo

波浪能推动船前进吗While waiting for the lake to become calm enough for water skiing,you and your friend sit on the the boat dock and watch the waves.Which of the following observations about the waves NOT be correct:a.Waves are the force pushing debris toward the shore.b.Waves collapse as the bottom touches the lake shore.c.Waves pass under boats but do not move them forward.d.Waves are caused by wind.我选的是Ｃ,但是正确答案是Ａ Ｃ是错的?