阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 People use different ways to communicate. We communicate with each other not only through （1） but through body language. Because body language is so （2） , you have to know what yours is saying and what other people's is saying. Here are some （3） of body language and its meanings in North America If you drop down heavily and your head is down, this could （4） that you are sad or not happy. If you sit with a smiling face and look （5） , you are expressing friendliness. A smile is a way of expressing friendliness and interest. But people （6） smile just to be polite. Friendliness and interest are expressed when a person's eyes. （7） yours especially when you're the one who's talking. A person who doesn't （8） you is expressing that he is not interested or is shy. Hand gestures can mean a person is interested in the conversation. But （9） movements, like hitting a pencil lightly against something again and again, often mean the person is nervous or not patient. （10） someone who points at you while talking with you—that person might be angry at you or feel better than you.（1）A．actionsB．gesturesC．words（2）A．importantB．difficultC．easy（3）A．suggestionsB．examplesC．answers（4）A．meanB．knowC．find（5）A．worriedB．surprisedC．relaxed（6）A．sometimesB．neverC．hardly（7）A．seeB．avoidC．meet（8）A．believeB．care aboutC．look at（9）A．excitedB．repeatedC．crazy（10）A．Look forward toB．Stand close toC．Stay away from