Sarah: Hi, Joe! - - - - Joe : No, not at all. Why? Sarah: There is a great concert at 7 p.m. Patrick and I are going to attend it. - - Joe : Yeah, sure. Where is it going to take place? Sarah: At YDS Music Centre. Joe : I'd love to, but -- Sarah: Don't worry. We can pick you up from your house and go there together. Which of the following DOES NOT complete the conversation? A) Shall we meet in front of the concert hall? Are you busy tomorrow evening? C) Would you like to join us? D) I don't know where it is.​