A、He should not do the experiment after all. B、He must be extremely careful. C、She will help him do the experiment. D、She’s sure

W: Oh, it’s so cold. We haven’t had such a severe winter for so long, have we?
M: Yes, the forecast says it’s going to get worse before it warms up.
Q: What do we learn from the conversation?

M: I think I’ve got this experiment set up right now.
W: You only think it’s fight? In chemistry you’ve got to be sure.
Q: What’s the woman suggesting to the man?