58.
下列程式碼各別插入於 class B 中，共有幾行可正確編譯？
public int methodA(int x){return 1;}
private int methodA(int x){return 0;}
protected int methodA(int x, int y){return 1;}
public String methodA(String x){return "A";}
(A) 1
(B) 2
(C) 3
(D) 4