诉讼时效是指权利人在法定期间内，未向人民法院提起诉讼请求保护其权利时，法律规定消灭其( )的制度；

A．起诉权

B．胜诉权

C．申诉权

D．请求权

Passage 2

According to the passage, which is NOT tree about chronic diseases a. It is estimated that seventy-five percent of the people will die from chronic diseases after ten years. b. There are more people killed by chronic diseases in China than in the US. c. China will spend more than five hundred thousand yuan on the chronic diseases in the next ten years. d. Russia also suffers from economic losses because of chronic diseases.