As of the end of 2011, the national population of elderly people over 60 years of age has reached 185 million, accounting for 13.7% of the total population. At present, China's pension beds only account for 1.5% of the national elderly population, not only less than the 5% -7% of developed countries. It is also lower than the proportion of 3% -4% in some developing countries. What does the author mean by this text? ['China has entered an aging society in advance.', "China's aged care hardware facilities lag behind the aging process.", "China's pension development lags behind other countries in the world.", 'The development intensity of the endowment cause should be aligned with the developed countries.']