Answer:
Option A Nominal GDP for a given year is measured in dollars of that year, whereas real GDP is measured in dollars of some based year
Step-by-step explanation:
The reason is that the nominal GDP includes the affects of inflation of the year whereas Real GDP is inflation excluded amount which means its tells GDP in terms of base year prices. The difference between the nominal GDP and the real GDP is because of inflation which is the only additional thing in the nominal GDP. So the best answer here which gives this explanation is option A.