[单选题]MVM的故障代码12206的意思是()
A.纸币回收箱将满
B.纸币回收箱已满
C.后维护门被打开
D.发卡箱A空

Have you ever been afraid to talk back when you were treated{{U}} (47) {{/U}} Have you ever bought something just because the salesman talked you into it Are you afraid to ask someone for a date
Many people are afraid to assert (表现) themselves. Dr. Alberti thinks it’s because their self-respect is low. "Our whole{{U}} (48) {{/U}}is designed to make people distrust themselves," says Alberti. "There’s always ’{{U}} (49) {{/U}}’ around--a parent, a teacher, a boss--who ’knows better’. These superiors often gain when they chip ( 削弱 ) away at your self-image."
But Alberti and other scientists are doing something to help people{{U}} (50) {{/U}}themselves. They{{U}} (51) {{/U}} "assertiveness training" courses--AT for short. In the AT courses people learn that they have a right to be themselves. They learn to speak out and feel good about doing so. They learn to be more{{U}} (52) {{/U}}without hurting other people.
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