Relevant data show that since 2005, the number of Guangdong university graduates' self-employment has accounted for about 1% -2% of college graduates of that year. Taking 2008 as an example, only 1.2% of recent college graduates chose to start their own business. In western developed countries, this number is 20% -30%. From this perspective, college students in developed western countries have more entrepreneurial talents. Which of the following is true and most likely to question the above conclusion? ['China has fewer policies to encourage college graduates to start businesses, and the entrepreneurial environment is not good.', 'The absolute number of Chinese college graduates is higher than that of western developed countries.', 'The rate of entrepreneurial success of college students in western developed countries is not higher than that of Chinese college students.', 'College students in developed western countries prefer to challenge themselves.']