多项选择题

A. static class InnerOne { public double methoda() { return d1; } }
B. static class InnerOne { static double methoda() { return d1; } }
C. private class InnerOne { public double methoda() { return d1; } }
D. protected class InnerOne { static double methoda() { return d1; } }
E. public abstract class InnerOne { public abstract double methoda(); }