Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. One way in which exercise can improve our health is that it helps us to ______.

A．Gardner’s background Created more barriers in his pursuit of a career
B．the place from which Gardner came prejudiced people against him
C．Gardner was unfit for his applied job for lack of money
D．Gardner’ s background didn’ t matter at all, in his job hunting

A．is in favor of stem-cell research
B．welcomes the research slowdown
C．takes a neutral stand on the research
D．thinks it essential to Speed up the research