多选题 Given:
1. public class Hose ＜E extends Hose＞ {
2. E innerE;
3. public static E doStuff(E e, Hose＜E＞ e2) {
4. // insert code here
5. }
6. public E getE() {
7. return innerE;
8. } }
Which can be inserted, independently at line 4, for the code to compile? (Choose all that apply.)

A、 return e;
B、 return e.getE();
C、 return e2;
D、 return e2.getE();
E、 return new Hose().getE();
F、 Compilation fails regardless of which return is inserted.

【正确答案】 F

【答案解析】