W: Tomorrow is Mike's birthday. I have just received the invitation to his party. Did Mike invite you, too? M: Yes. I received his invitation this morning. But he didn't tell me what time the party will begin. W: I'll ring him up and ask him about it. How will you go to his party? M: I'll drive to his party after work. Would you like to take my car there? W: I would be glad to. Thank you., Question: Why will the woman ring Mike up? (A) To ask him when the party will begin. (B) To tell him how to prepare the party. (C) To tell him some good news.
(A) To ask him when the party will begin.