单项选择题
A.reduce his cigarette smoking gradually.B.seek nicotin……
Question 7 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.
A.reduce his cigarette smoking gradually.
B.seek nicotine replacement therapy.
C.do exercises and take nicotine gum.
D.take tests measuring respiratory health.