How Do Nominal GDP and Real GDP Compare as Gauges

Multiple Choice

How do nominal GDP and real GDP compare as gauges of economic well-being?

A) Nominal GDP is a better gauge of economic well-being than is real GDP.
B) Real GDP is a better gauge of economic well-being than is nominal GDP.
C) Real GDP and nominal GDP are equally good measures of economic well-being.
D) Whether real GDP or nominal GDP is a better measure of economic well-being depends on what sort of goods are produced.