【单选题】【消耗次数：1】
关于多继承二义性描述中，错误的是（ ）
①
一个派生类的基类中都有某个同名成员，在派生类中对这个成员的访问可能出现二义性
②
解决二义性的最常用的方法就是对成员名的限定法
③
基类和派生类同时出现的同名函数，也存在二义性问题
④
一个派生类是从两个基类派生出来的，而这两个基类又有一个共同的基类，对该基类成员进行访问时，可能出现二义性。
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