191 Which two, inserted at line 11, will allow the code to compile? (Choose two.)
1. public class MinMax<?>{
2. public class MinMax<? extends Number>{
3. public class MinMax<N extends Object>{
4. public class MinMax<N extends Number>{
5. public class MinMax<? extends Object>{
6. public class MinMax<N extends Integer>{ (A) 15 (B) 23 (C) 46 (D) 56