题目：
一个类可以从直接或间接的祖先中继承所有属性和方法。采用这个方法提高了软件的 【3】 。
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
一个类可以从直接或间接的祖先中继承所有属性和方法。采用这个方法提高了软件的 【3】
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