【正确答案】 C

【答案解析】原文：W: Sometimes doing regular activities in a slightly different way can help to re-activate old memory pathways in our brain, or even build new ones!M: Oh, yeah. I’ ve heard that exposure to new sights, sounds, and smells can help stimulate the brain.W: Right. So you could even put some herbs and spices next to your bed so you wake up to different smells each morning.Q: What does the woman say about doing regular activities in a slightly different way?题目问的是对于以稍微不同的方式做定期的活动女士说了什么。对话开头女士提到有时以稍微不同的方式做定期的活动可以帮助我们激活大脑中旧的记忆通路，甚至建立新的记忆通路。故答案为C。