Stress Is Best Described As

Stress is best described as:

A) the physiological disorders we experience from adverse environmental conditions.
B) an adaptive response to a situation that is perceived as challenging or threatening to the person's well-being.
C) a series of events that cause emotional exhaustion and cynicism towards customers.
D) environmental conditions that place a physical or emotional demand on the person.
E) a behavior pattern of people with low risk of heart disease.