Answer:
d. structural.
Explanation:
Structural unemployment arises when a skill set becomes irrelevant in the job market. As a result, workers in possession of such skills are laid off. Â Changes in technology, and companies moving their operations to different geographical areas, are the main causes of structural unemployment.
In the case of Kevin, Â the introduction of robots meant the end to his job. His skill set has been declared redundant due to changes in technology. Kevin needs to learn a new skill as it will be challenging to get another job with his old skills.