已知Test类的定义如下所示 public class Test { public float aMethod (float a, float b){ } } 以下哪个方法不能定义在Test类中:( )
A.
public float aMethod (float a, float b, float c) { }
B.
public int aMethod (float c,float d) { }
C.
public int aMethod (int a, int b) { }
D.
private float aMethod (int a, int b, int c) { }