单项选择题

W: Excuse me. Can I see the personnel manager My name is Tracy Jordan.
M: Oh, yes. Have a seat then.
W: Thank you. I came in answer to your ad for the saleswoman.
M: OK, what qualifications do you have for toy store work
W: I worked in a local toy store last summer vacation and my undergraduate major is Business Administration.
M: Are you familiar with the toys for children under 10
W: Well, my nephew is 8 years old now and he always likes the toys I’ve bought for him, if that’s any qualification.
M: That’s not bad. How soon would you be able to start to work
W: As soon as possible. I can start this afternoon if you’d like.

How does Tracy know there is a vacancy in the toy store()

A. She got the news from her friend.
B. Her nephew told her about the news.
C. She saw the advertisement.
D. It isn’t mentioned in the conversation.