Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Mr. Paul is calling to Mr. John’s office.
Mr. Paul: “Hello. I’d like to speak with Mr. John.”
Mr. John’s assistant: “___________”
A.Sure.
B.Who are you?
C.Hang on, please. I'll put you through.
D.Of course, you can.

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