17.
Have you noticed any changes in the number of people wearing the following types of clothing over the past five years? What do you think might be the reason behind these changes? (Single-choice question)
近五年,在现实生活中穿以下服饰的人数有何变化?为什么会出现这样的现象?(单选题)

Clik the link 1, link 2, link 3, link 4, link 5 and link 6 to access original pictures.
点击链接1、链接2、链接3、链接4、链接5、链接6获取原图。