Which of the Following People Would Be Considered a Gatekeeper

Which of the following people would be considered a gatekeeper of nutrition? 

A)  A mother who works two part-time jobs to afford the high cost of groceries, which the children feed themselves. 
B)  A father who shops for fruits and vegetables at the local farmer's market and prepares family meals. 
C)  A child who begs for, but is denied, a breakfast cereal with a coveted toy inside. 
D)  A cashier at a convenience store that sells snacks and local bakery items. 
E)  A local farmer who grows corn and soybeans.