单选题You work as the application developer at Hi-Tech.com. You create a new custom dictionary named MyDictionary. Choose the code segment which will ensure that MyDictionary is type safe?()A Class MyDictionary Implements Dictionary (Of String,String)B Class MyDictionary Inherits HashTableC Class MyDictionary Implements IDictionaryD Class MyDictionary End Class Dim t as New Dictionary (Of String, String) Dim dict As MyDIctionary= CType (t,MyDictionary)

单选题
You work as the application developer at Hi-Tech.com. You create a new custom dictionary named MyDictionary. Choose the code segment which will ensure that MyDictionary is type safe?()
A

 Class MyDictionary Implements Dictionary (Of String,String)

B

 Class MyDictionary Inherits HashTable

C

 Class MyDictionary Implements IDictionary

D

 Class MyDictionary     End Class     Dim t as New Dictionary (Of String, String)     Dim dict As MyDIctionary= CType (t,MyDictionary)


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