Final answer:
China has a population of more than 1 billion.
Step-by-step explanation:
The correct answer is C. more than 1 billion. China has the largest population in the world, surpassing 1 billion people. As of the most recent estimate, China's population is over 1.4 billion. This is more than 14 times the population of the United States, which is the third most populous country.
Learn more about China's population