单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read the questions 17-20. From the third paragraph of the passage, we can conclude that young adults tend to belie, that certain types of clothing can ______.

A.change people’s conservative attitudes toward their lifestyle
B.help young people make friends with the opposite sex
C.make them competitive in the job market
D.help them achieve success in their interpersonal relationships