13. Gross domestic product is a measure of the total value of all
(A)sales in an economy over a period of time.
(B) consumer income in an economy over a period of time.
(C)capital accumulation in an economy over a period of time.
(D)final goods and services produced in an economy over a period of time.

答案:登入後查看
統計: 尚無統計資料