Native peoples traditionally use Brazil nuts to treat stomach ache, inflammation, hypersensitivity, and hepatitis. Consequently, a scientist should be interested in promoting

A) better education for the native peoples so that they will overcome their old ways.
B) clear-cutting forests containing Brazil nut trees to make way for crops with proven medical benefits.
C) an increase in the living standards of the native peoples so that they might be able to purchase modern pharmaceuticals.
D) the evaluation of Brazil nut chemicals for use as potential drugs.
E) that free, FDA-approved medicines be provided to the impoverished natives.