单项选择题
W: I’ve been working out the gym since January. I was a bit out of shape.
M: You look terrific! It seems that your effort has paid off.
Q: What does the man imply about the woman（）
A. She must have paid a lot for the gym.
B. She is known to have a terrific figure.
C. Her gym exercises has yielded good results.
D. Her effort to keep fit is really praiseworthy.