Answer:
The answer is B. China and India.
Step-by-step explanation:
As of 2010, according to data provided by the World Bank, China had a population of 1.272 billion people and India had a population of 1.035 billion people.
Currently, China's population is 1.386 and it is said that it accounts for 18% of the entire population worldwide. India's population is now 1.339 billion.