给定如下Java代码,下列()方法可以将其加入到Sample类中,并且能够编译正确。 public class Sample { public int getSomething(int d) { return d; } } A. private int getSomething(int i,String s ) {}; B. public void getSomething(int i) {}; C. private int getSomething(int i,String s ){return 20}; D. D. public double getSomthing() {return 2.0};