A、The man didn’t study hard enough. B、The man didn’t attend enough classes. C、There are some problems with the experiment. D、The

M: Ms. Lincoln, I’m your tenant, Joe. I can’t get connected online today, so I called the service provider and they say they would need the account number written on the receipt. I’m calling to see if you can find it, so...
W: Oh, no problem. I will find it out and call the provider myself as soon as possible.
Q: Why does the man call the woman?

M: I can’t believe I only got a B minus for my advanced chemistry. I studied hard and I believe I answered most of the questions correctly. There isn’t any problem with my lab results, either.
W: What about your attendance? It takes one-third of the full mark.
Q: What does the woman mean?