Answer:
A: the market value of all final goods and services produced in a country during a perod of time, typically one year.
Explanation:
Gross domestic Product (GDP) is calculated yearly or quarterly, and this is the representation of all that is produced within a country in terms of products and services. It is a way of measuring the economy of a country and its monetary worth, which reflects the stability of the country and its economy, and has a direct impact on the population.