_____ is considered as an external factor of stress.

A) Our emotional state
B) Inefficient work environment
C) Our perspective on life
D) The way we choose to respond to various situations

An inefficient work environment refers to external factors such as high workload, poor physical conditions, and lack of support from colleagues. It can lead to stress in individuals who work in such an environment. Our emotional state, perspective on life, and the way we choose to respond to situations are internal factors that contribute to stress levels.