A、Two years. B、Half a year. C、One and a half years. D、One year. D原文中那位男士问Amy在人事部干了多久，她的回答是“about a year”，故选D。

M: Amy, what was your first job?
W: Well, when I graduated from the college in 1998, (15) I worked first as a secretary to the General Manager. That lasted for two years. (16) Then I was promoted the Personnel Manager.
M: What were your duties?
W: I was responsible for all personnel matters.
M: Did you enjoy it?
W: Well, the people were nice. I liked the people I worked with. But the job was poorly paid.
M: And how long did you stay there?
W: Oh, (17) about a year. I left because I wanted to apply for a position in the Sales Department. That’s where I work now.
Q15: What was Amy’s first job?
Q16: What was Amy’s second job?
Q17: How long did Amy stay in the Personnel Department?