You are writing a custom dictionary. The custom-dictionary class is named MyDictionary. You need to ensure that the dictionary is type safe. Which code segment should you use?

You are writing a custom dictionary. The custom-dictionary class is named MyDictionary. You
need to ensure that the dictionary is type safe.
Which code segment should you use?

A. class MyDictionary : Dictionary<string, string>
B. class MyDictionary : HashTable
C. class MyDictionary : IDictionary
D. class MyDictionary { ... }
    Dictionary<string, string> t = new Dictionary<string, string>();MyDictionary dictionary =     
    (MyDictionary)t;

Answer: A