Relevant authoritative sources said that the arrival of a population of 1.3 billion has brought new and serious challenges to China's population and family planning work. It is now a period of low population growth and high growth coexistence. The basic national conditions of the large population have not changed. The low fertility level is not stable, the sex ratio of the birth population continues to rise, the floating population, the elderly population will enter a peak period, and the sharp increase in the labor population has added significant pressure to full employment. What can be concluded from this passage? ["China's population growth rate has continued to increase in recent years.", "China's population growth has continued to increase in recent years.", "The proportion of China's elderly population in the total population will increase.", 'The trend of continued population growth in China will be changed.']