听一段材料，回答下面几个小题。
How does the woman keep fit?
A.Taking exercise.
B.Eating vegetables.
C.Eating less.
What did the man often do when he was at school?
A.Did nothing but study.
B.Swam from time to time.
C.Swam twice a week.
What can you infer the man will do this evening?
A.Go to swim by himself.
B.Go upstairs with the woman.
C.Swim with the woman.