A、$ 3.00. B、$13.00. C、$ 30.00. D、$ 33.00. CHow much will file man pay? 本题为数字计算题。听到"Oh，how much do you charge a day?"和"30 dollars

W: Good morning, can I help you?
M: Yes, I’m Stone Williams. I’ve reserved a room here.
W: Let me check. Yes, a single room for one night.
M: That’s right.
W: Would you please fill out this registration form?
M: Certainly. Oh, how much do you charge a day?
W: 30 dollars a day.
M: All right, here is the form.
W: Thanks. Here is your room key. Have a good day.
M: Thanks.