According to the Text, Which of the Following Two Advances

According to the text, which of the following two advances since the mid-1980s are likely to influence future efforts to prevent illness

A) The increase of chronic illness and improved physician-patient interactions.
B) Improved community prevention programs and more effective cognitive-behavioural interventions.
C) More effective medical interventions and improved cost containment efforts.
D) New theories that explain health behaviours and the development of Internet sites that provide medical information.