A、He is making a public advertisement. B、He is trying to sell something to the woman. C、He does not agree with the woman. D、He i

W: I’ve been running a mile every morning for almost a year. But I still haven’t been able to lose more than a pound or two.  I wonder if this is worth it.
M: Well, if it was not for your good appetite, you would lose a few more pounds.
Q: What does the man imply?

W: It seems good but I am not sure about its stability.
M: Our company has been in this line for many yearsand enjoys high reputation, so you can be reassured with its quality.
Q: What do we learn about the man from the conversation?