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Body language is one of the most powerful means of communication. People around the world show all kinds of feelings, wishes and attitudes that they might never speak aloud. The most universal facial expression is the smile. People usually smile to show happiness and make people feel comfortable. But sometimes it does not always mean that we are truly happy, however. Smiles around the world can be false, hiding other feelings like anger, fear or worry.However, the general purpose of smiling is to show good feelings. From the time we are babies, we show unhappiness or anger by frowning. Making a fist and shaking it almost always means that someone is angry and threatening another person.
There are many ways around the world to a show agreement, but nodding the head up and down is used for agreement almost worldwide
Being respectful to people is based on each culture, but in general it is probably not a good idea to give a hug to a boss or teacher. In almost every culture, it is not usually good to stand too close to someone of a higher position.
With so many cultural differences between people, it is great to have some similarities in body language. We can often be wrong about each other, so it is an amazing thing that we understand each other as well as we do!
根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使短文意思通顺、内容完整。
A. Most people also understand that shaking the head from side to side means disagreement and refusal.
B. There are unhappy smiles，such as when someone “lost face” and smiles to hide it.
C. It is often even more powerful than spoken languages.
D. Standing at a little distance with open hands will show that I am willing to listen.
E. In most places around the world, frowning and turning one's back to someone shows anger.