A、15. B、10. C、5. D、2. B题目询问女士工作多久了。通过她的回答“我做行政秘书5年了”可知，正确答案为选项C。选项A(15年)、选项D(10年)和选项D(2年)这几个数字在对话中都没有提到，因此不难排除。

M: Tell me about yourself and your past experience.
W: (8) I have worked as an executive secretary for 5 years, (10)first for a trading company, then a trust company.
M: How fast can you type?
W: (9) I can type 100 Chinese words per minute and 150 English words a minute.
M: Can you operate computers skillfully?
W: yes, I can. I have received some special training in computers. Besides I am good at operating common office machines like fax.
M: Sometimes we are very busy and need to work over- time. How do you feel about that?
W: Could you tell me how often and how many hours I should work overtime?
M: It just depends. If we have important visiting delegations, you have to stay with us. It’s not unusual.
W: That’s all fight.