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