听力原文：M: Hi, Susan. I hear that you walk all the way to the office these days.
W: Yes. I have found great pleasure in walking. That' s the type of exercise I enjoy very much.
Why does the woman walk all the way to the office？

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.