Answer:
B. value of total production linked to prices of a single year.
Step-by-step explanation:
The definition of Real GDP is given as; the total measure of a country's total economic output, adjusted for price changes. It makes the comparing of GDP from year A to year B and also from different years more meaningful because it shows comparisons for both the quantity and value of goods and services.
Therefore the correct option to the question above is option B.