单项选择题

Questions 28 to 29 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
According to Philip James, which statement is INCORRECT

A.China should build more railways.
B.Western food worsens obesity in China.
C.Economy has correlation with people’s living standard.
D.The main cause of obesity is the increasing use of vehicles.