Local variables 局部变量
A. are hidden from other methods 从其他方法中隐藏
B. may have the same name as local variables in other methods 可能与其他方法中的局部变量同名
C. lose the values stored in them between calls to the method in which the variable is declared用声明变量的方法之间丢失存储在其中的值
D. All of the above 以上都是