A Psychology Professor Is Considered an Expert in Positive Psychology

A psychology professor is considered an expert in positive psychology.She is always being asked to give speeches and interviews,and has written articles for the local newspaper.Why is there such interest in her research?

A) Research in this area is heavily funded by the federal government.
B) Health insurance companies are more likely to pay for our attempts to remain healthy than to treat illness.
C) Psychology generally focuses on problems and weaknesses, so positive psychology represents a significant change.
D) It provides insight into how we react to stressors that may cause depression and anxiety.