Everyone has two personalities—the one that is shown to the world and the other that is secret and real. You don't show your secret personality when you're awake because you can control your behavior, but when you're asleep, your sleeping position shows the real you. On a normal night, of course, you frequently change the position. The important thing is that the position you most often adopt in the night reveals your true nature.What can be learned about one's personality according to the passage?A. Everyone has one personality.B. Everyone has two personalities.C. One's personality is unchangeable.D. One's personality is popular.

Everyone has two personalities—the one that is shown to the world and the other that is secret and real. You don't show your secret personality when you're awake because you can control your behavior, but when you're asleep, your sleeping position shows the real you. On a normal night, of course, you frequently change the position. The important thing is that the position you most often adopt in the night reveals your true nature. What can be learned about one's personality according to the passage? A. Everyone has one personality. B. Everyone has two personalities. C. One's personality is unchangeable. D. One's personality is popular.