A、＄4.20. B、＄2.80. C、＄2.29. D、＄1.78. C

M: May I help you?
W: Yes, please. I need a small toothbrush.
M: Soft, medium, or hard? And what color would you like, yellow, red, or blue?
W: I prefer the red one. Medium, please.
M: Here you are. Is there anything else?
W: Yes. I need some toothpaste.
M: What brand do you like? Colgate or...
W: Please suggest a good one. I’m not familiar with American brands.
M: This is the kind I use. Do you want a large or a small tube?
W: How much is the large one?
M: ＄11.40.
W: I’ll take it. How much do I owe you in all?
M: Toothbrush, 89 cents; toothpaste, ＄11.40. ＄12.29 altogether. Anything else?
W: Are the magazines around here?
M: No. They are on the first counter to the left.
W: Do you have Cars Magazine?
M: We are out of them right now. The next issue comes out tomorrow.
W: Do you have last month’s issue of Reader’s Digest?
M: I’m sorry. We’ve sold out. There’s usually a copy at the library.
W: I have plenty of time. I’ll go there now. Thank you.