A)She takes it as a kind of exercise.
B)She wants to save money.
C)She loves doing anything that is new.
D)Her office isn't very far.
原文：
3.
M: Hi, Susan, I hear that you walk all the way to the office these days.
W: Yes, I've found great pleasure in walking. That's the type of exercise
I enjoy very much.
Q: Why does the woman walk all the way to the office?