听力原文：In which way do you sell, by wholesale or by retail? (A) Both wholesale and retail are welcomE. (B) I want to buy a set of equipment. (C) Well, this way pleasE. (17) A. B. C.
A.(B) B. (C) C. (17) A.
【参考答案】
A 解析：听音时，抓住关键词'sell by wholesale or by retail”，可知题干是在询问“......