在如下所示的类Test中，共有（）个构造方法。public class Test{? ? private int x;? ? public Test()? ? {? ? ? ? x = 35;? ? }? ? public void Test(double f)? ? {? ? ? ? this.x = (int)f;? ? }? ? public Test(double f)? ? {? ? ? ? this.x = (int)f;? ? }? ? public Test(String s) {}}

• A.1

• B.2

• C.3