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【单选题】
已知委托类型DoSomething定义如下: public delegate void DoSomething(); a、b、c和d都是DoSomething的变量,分别有以下调用列表: a:objA.Func1、objA.Func2 b:objA.Func1、Class1.StaticFunc c:objA.Func1、Class2.StaticFunc d:objB.Fun1 其中objA为类Class1的对象,objB为类Class2的对象。则执行b=b+c后,变量b关联的方法个数___________A.
2
B.
3
C.
4
D.
5
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