【答案解析】解析：从“I saw that article，too．”可知是一篇文章引起两个人的话题。
【正确答案】
A
【答案解析】解析：开头女士指出的“Did you know that people who spend less than ten minutes in a drugstore are fivetimes more likely to make a purchase than those who spend half an hour there?”便是主题句。
【正确答案】
C
【答案解析】解析：“Take your time and you’ll spend less money．”不要急，慢慢来，你就会少花钱。
【正确答案】
A
【答案解析】解析：从“it’s usually to make a specific purchase．”可知买东西很快的人通常目的明确。