Much of Public Choice Argues That What the Public Wants

Much of public choice argues that what the public wants isn't reflected in elected officials' actions. Yet there is a strong connection between famine prevention and democracy (more democracy means less famine) , and this "exception" is completely consistent with ideas from public choice. Why?

A) because the median voter doesn't want to starve
B) because voters have a strong incentive to be informed
C) because voters have strong memories about times they don't eat
D) because the costs of corruption are concentrated rather than diffuse