Which source is the most credible?
O A. An interview with the leader of a chain of health clinics who says
that they are important for public health
OB. A book written in the 1960s that gives statistics showing that
people need more access to health clinics
OC. A government report showing that access to free health clinics
made people more likely to visit a doctor
OD. An interview in a lifestyle magazine with a politician who states
that health clinics are too expensive to run and are not well used
