You Are Conducting a Survey of the People of India

You are conducting a survey of the people of India to find out how popular football is among the Indians. You randomly choose people to call, and make 1,000 phone calls to people scattered across the country. In this study, what of the following statement is true

A) both the people of india and the people you called is the population
B) the people of india is called the population, and the people you called are the sample.
C) the people of india is the sample, and the people you called is the population.
D) both the people of india and the people you called are samples.