Most Psychoneuroimmunologists Are Likely to Share the View That

Most psychoneuroimmunologists are likely to share the view that:

A) the immune system works completely independently of other body systems.
B) there are interconnections among psychological processes, nervous and endocrine system functions, and the immune system.
C) the endocrine system works completely independently of other body systems.
D) there are no direct connections between the brain and the immune system, only indirect connections.