While Counseling Tuberculosis Patients, Joseph Pratt Was the First to Find

While counseling tuberculosis patients, Joseph Pratt was the first to find group counseling effective, primarily due to group members'

A) concern about the well being of one another.
B) newly found perspectives of how to deal with the disease.
C) ideas of how they should be reacting to the disease.
D) positive outlook on the outcome of his/her disease.