17. Secretary: Hello, Dean’s office, may I help you?Jack: Good morning, Sir. I’m looking for Dr. Huang.Secretary:__________Jack: OK. Could you let him know that Jack, his student, would like to make an appointment with him? Secretary: Sure, let me check his schedule. (A) I’m sorry there’s no such person here. (B) I’m sorry you dialed the wrong number. (C) I’m afraid he doesn’t work here anymore. (D) I’m afraid he’s not in the office right now.