Kuznets Was Honored for His Contribution to Economics with the Nobel

Kuznets was honored for his contribution to economics with the Nobel Prize,largely on the basis of his contributions to the GNP measure.In particular,Kuznets was cited for

A) quantifying a measure that had previously been largely impressionistic.
B) recognizing that products have a higher economic value than services.
C) revealing that the nation's GNP was higher, even during the Depression, than anyone had supposed.
D) finding a way to include child care and other domestic services in the measure of GNP.
E) traffic violations, bootlegging, and tax evasion.