Answer:
Calmly ask him for his name and a more detailed explanation of the problem.
Step-by-step explanation:
Since in the question, it is mentioned that the anger use who fails to identify himself and claim that his workstation is malfunctioning and want to fix it now
Now the action which would be taken is to ask his name in a calmy manner and understand what the actually problem he is suffering by understanding it in a detailed way
Therefore according to the given case, the correct option is d.