听下面一段材料,回答第1-3小题。 1. How old is the woman? A. 20. B. 25. C. 29. 2. How does the woman probably pay for things? A. In cash. B. By credit card. C. By cheque. 3. What is the woman's biggest expense each month? A. Going out. B. Buying clothes. C. Making calls.