Answer: D
Ability, motivation and situational factors
Step-by-step explanation:
An employees performance on a job is influenced by a number of factors. Ability refers to the employee's skill, training, education and experience on a the job. An employee with more experience or expertise will most likely perform better than another individual with lesser skills.
Motivation refers to the desire or drive to succeed on a particular function. One of the most fundamental responsibilities of management is to create an enabling environment that allows employees to desire performing to optimal levels.
Situational factors are basically organizational characteristics which are different in various organizations. It's a function of the organizational structure, leadership style and organization culture. These factors influence employees performance.