What are the students from Sri Lanka most interested in according to Bob

A．continues to prescribe a drug even though he knows it is not in the best interests of the patient
B．refuses to use a drug for an unlabeled purpose out of fear that he may be stigmatized by its use
C．persists in using a drug for disapproved uses because he rejects the evidence of its ineffectiveness or dangers
D．experiments with new uses for tested drugs in an attempt to find medically beneficial uses for the drugs

A．Who are some of those people who have had an important influence on the public health movement in the United States
B．What were some of the mental illnesses that were considered untreatable until the 1950s
C．What were some of the new treatments for mental illness that were adopted in the 1950s
D．What were some of the most important legal cases that contributed to the new concern for patients rights