A) real GDP fluctuates but follows an upward-sloping trend line
B) real GDP does not fluctuate if growth is occuring
C) Real GDP fluctuates but follows a downward sloping trend line
D) real GDP fluctuates but follows a horizontal trend line
GDP measures the value of all the final products and services in terms of money. Option C) explains the behavior of GDP.
What is GDP?
Gross domestic product (GDP) measures the value of all the final products and services in terms of money, produced by countries over a given time period usually a year.
The behavior of real GDP over time changes but follows a downward sloping trend line if a country is sustaining a healthy rate of growth.
Therefore option C) describe the behavior of GDP.
Learn more about GDP here: