Which statement is an example of using activism to solve a public health crisis?
A
Three-hundred thousand people volunteered to be part of a 40-year research study on cancer.B
Dr. Andrew Bastawrous developed a smartphone app to diagnose eye disease.C
Blake Mycoskie donated more than 10 million pairs of shoes through his company.D
Dr. Paul Farmer received the Public Welfare Medal from the National Academy of Sciences.