如图是洋葱表皮细胞放在不同浓度溶液中的情况，据图回答：

图中A是处于____状态下的细胞，图B是处于____状态下的细胞，图中C是处于____状态下的细胞．

根据短文内容，从A、B、C、D四个选项中选择一个最佳答案。
Passage 1
     Steven Jobs, the designer of Apple Computer, was not clever when he was in school. At that time, he was not a good student and he always made troubles with his schoolmates. When he went into college, he didn't change a lot. Then he dropped out（退学）. But he was full of new ideas.
　 After he left college, Steven Jobs worked as a video game designer. He worked there for only several months and then he went to India. He hoped that the trip would give him some new ideas and give him a change in his life.
　 Steven Jobs lived on a farm in California for a year after he returned from India.
　 In 1975, he began to make a new type of computer. He designed the Apple Computer with his friend in his garage. He chose the name “Apple” just because it could help him to remember a happy summer he once spent in an apple tree garden.
His Apple Computer was so successful that Steven Jobs soon became famous all over the world .
He often said, “I live in order to change the world, there aren't any other reasons. The only way to have a great achievement is to love your own career. If you can't find your  favorite career ,go on looking for it and never give up.”
     This is Steven Jobs, though he is dead, his spirit and achievements still influence our lives.

电解氢氧化钠稀溶液与电解水的原理均可表示为：2H₂O 2H₂↑+O₂↑．电解一定质量氢氧化钠稀溶液的过程中，下列说法正确的是

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原产于美洲的巴西龟引入中国后，被不少人当成宠物饲养。然而，研究发现，繁殖力和捕食能力都很强的巴西龟一旦进入野生环境，就会掠夺本土龟类的生存资源，使本土龟类的生存受到严重威胁。世界自然保护联盟将其列为世界最危险的100个入侵物种之一，呼吁人们警惕巴西龟的侵害。这一警告的依据是                                             
①尊重自然固有的客观联系，不能人为地干预生物的生存条件
②认识生物间的制约关系，不要人为地改变自然界固有的生态平衡
③认识环境的具体联系，尊重生物原有的生存条件和环境 
④保护本土生物的生存环境，应防备和消灭最危险的入侵物种

如图，四边形ABCD、EFGH、NHMC都是正方形，边长分别为a，b，c；A，B，N，E，F五点在同一直线上，则c=____（用含有a，b的代数式表示）．