A:①②③④
B:②①③④
C:④②①③
D:②④①③
23岁的“神奇指挥”舟舟只有4岁的智商,但只要站在指挥台上,给他一段旋律,他就能划出最美的弧线。这说明( )
—________?
— He's swimming at the pool.