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单项选择题 You have recently written the code shown below: Hashtable emailAddresses = new Hashtable （　）; emailAddresses.Add ("Mia", "mia@ Certkiller .com"); emailAddresses.Add ("Andy", "andy@ Certkiller .com"); emailAddresses.Add ("Kara", "kara@ Certkiller .com"); FileStream stream = new FileStream ("Email.dat", FileMode.Create); BinaryFormatter formatter = new BinaryFormatter （　）; formatter.Serialize (stream, emailAddresses); You need to ensure that you are able to load the emailAddresses object from the Email.dat file into your application. What should you do?（）

A、

B、

C、

D、

  • C

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