二、听较长对话，回答问题（共6小题，计12分）
听下面一段对话，回答第6至第8三个小题。现在，你有15秒钟的时间阅读这三个小题。
6. What’s the probable relationship between the two speakers?
A. Son and mother B. Friends C. Brother and sister
7. How much is the yellow watch?
A. 168 yuan B. 74 yuan C. 94
8. How many watches will they buy?
A. One B. Two C. None
