An Employee's Lack of Time or Conflicting Demands Upon It,inadequate

An employee's lack of time or conflicting demands upon it,inadequate work facilities and equipment,restrictive policies that affect the job,lack of cooperation from others,type of supervision,temperature,lighting,noise,machine or equipment pacing,shifts,and even luck,are all examples of:

A) task perceptions as they relate to performance.
B) how the ability of the individual employee impacts performance.
C) the impact of appraisal systems on employee performance.
D) environmental factors as performance obstacles.