For the World as a Whole at the End of the 20^th

For the world as a whole at the end of the 20^th century,"services"

A) represented over 60% of gross global product.
B) accounted for less than 50% of gross global product.
C) was declining in importance as less-developed countries became industrialized.
D) was overwhelmingly characterized by the "place utility" functions of wholesaling and retailing.