Due to the creation of the Spanish National Transplant Organization, which is responsible for the coordination of transplants as well as for public education and outreach, organ donations in Spain today are three times as much as in 1989.

A. three times as much as

B. triple as many as they were

C.a tripling of what it had

D. triple the number

E. three times greater than

OA D

Source: Economist Gmat