M: How much are these bags? ,F: The red ones sell for $5.50 each, and the green ones for $6.80 each. ,M: I'll take two of the cheaper ones then.
(A) F: No problem. It is $11 for two red ones which are the cheaper ones. (B) F: Do you just want a red one which is $5.50 which is the same as the green one. (C) F: Please pay $11 in total for two red phones. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
A