Which example demonstrates an individual solving a public health problem using research?
A
Blake Mycoskie founded an organization that has donated more than 10 million pairs of shoes.B
Dr. Andrew Bastawrous developed a smartphone app that can help diagnose some eye diseases.C
Mari Copeny wrote a letter to President Barack Obama asking him to help get clean water in her city.D
Paul Farmer pioneered community-based health care in impoverished countries around the world.