GDP is defined as the:
Select one
A. Value of all goods and services produced within a country in a given period of time
B. Value of all goods and services produced by the citizens of a country, regardless of where they are living, in a given period of time
C. Value of all final goods and services produced within a country in a given period of time
D. Value of all final goods and services produced by the citizens of a country, regardless of where they are living, in a given period of time