
Passage: Recently, there has been a discussion on whether to gradually extend the retirement age on the Internet. According to a month-long blog statistics of a website's discussion column on this issue, about half of the blog posts with more than 200 words of reasons agreed to gradually extend the retirement age in order to reduce the social security pressure brought about by an aging population; however, about 80% of all blog posts oppose the extension of the retirement age, mainly because they are worried about the negative impact on youth employment.
Question: Which of the followings, if true, can best support the idea of gradually extending the retirement age?
A. A.Now many people have found a second job after going through the retirement formalities
B. B.Respecting the old and loving the young is a fine tradition in China for thousands of years, which should be carried forward
C. C.The employment problem of young people should be solved by economic development and transformation and upgrading
D. D.Due to the implementation of the one-child policy for many years, the aging problem in China will be more acute than that in many western developed countries
Answer: