单项选择题

Man: I've been working out at the gym since January so… I'd been wanting to get in better shape. Woman: You look terrific! Seems like all your hard work has paid off. Question: What does the woman mean

A.The man paid a lot to join the gym.
B.The man has been working too hard.
C.The man has improved his physical condition.
D.The man should ask for more pay.