How to declare a SortedList in C#

Question

About associative generic collections, SortedList<Key,Value>:

Accepted Answer

Declare themselves as follows: SortedList list = new SortedList();

Accepted Answer

list.Values[0] -> returns the value at index 0

Answer

list.Keys[0] -> returns the key with value 0

Answer

There can be several identical Key values ​​for different Value in the list

Question from the C# - Fundamentals test