【单选题】

Everyone has got 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 yourself.But when you’re asleep, your sleeping position shows the real you. In a normal night, of course, people often change their position. The important position is the one you go to sleep in.

If you go to sleep on your back, you’re a very open person. You usually believe people and you accept new things or new ideas easily. You don’t like to make people sad, so you never express your real feeling. You’re quite shy.
If you sleep on your stomach, you are a rather secretive person. You worry a lot and you always easily become saD、You usually live for today not tomorrow. This means that you enjoy having a good time.
If you sleep curled up, you are probably a very nervous person. You have a low opinion of yourself. You’re shy and don’t like meeting people. You prefer to be on your own. You’re easily hurt.
If you sleep on your side, you have usually got a well-balanced personality. You know your strengths and weaknesses. You’re usually careful. You don’t often get saD、You always say what you think even if it makes other people unhappy.
When do you show your secret personalityA．When you are awake.
B．When you fall into deep sleep.
C．The moment you go to sleep.
D．when you lie in be