39 A: You look so fit. Do you exercise a lot?B: Well, yeah, I go jogging for almost an hour in the early morning.A:_____B: About five days a week.A: No wonder you look so good.
(A) How often do you do that?
(B) How long do you exercise?
(C) When do you go jogging?
(D) How much time do you spend on that?