Read the following conversation, mark the correct message that is being conveyed: Receptionist: Thank you for calling Pioneer Dental Clinic. Mary speaking. How can I help you? Sonia: Hi Mary. It's Sonia Jain calling. How are you today? Receptionist: I'm fine Mrs. Jain. How are you? Sonia: Well actually, I have a bit of a sore tooth. I was wondering if Dr. Khan would have some time to see me this week. Receptionist: I'm afraid he's booked this week. I can put you in for 8 pm next Saturday is that alright with you? Sonia: That would be great. Receptionist: I'll have to give you the address of our new office. Sonia: Oh, that's right, you moved. Receptionist: Yes, we moved to the suburbs. Do you have a pen handy? Sonia: Could you hold on a moment please? Okay, go ahead Mary. Receptionist: We are at 201, Silver Mail, M.G. road. Sonia: Would you mind spelling that for me? Receptionist: Sure. That's two-zero-one, Silver-S as in Simla, I as in India, L as in Lucknow, V as in Victor, E as in Echo, R as in Romeo. Mall - M as in Mile, A as in Alpha, L as in Lucknow and again L as in Lucknow. M.G. road is Mehrauli-Gurgaon road. Sonia: Okay great. I'll see you on Saturday then. Receptionist: Okay Thanks for calling. See you then. Sonia: Thanks. Bye Who is calling whom?

• A. Mrs. Sonia Jain is calling Dr Khan's dental clinic.
• B. Mrs. Sonia Jain is calling her friend Mary.
• C. The receptionist has called Mrs. Sonia.
• D. Mary has called Dr. Khan.