How can this issue be avoided?

A customer complains about the number of times they must explain their problems and ask different team members to find a solution.

How can this issue be avoided?
A . Share the company’s organizational chart with the support team.
B . Provide customers with relevant use cases for the purchased solution.
C . Ensure that the customer knows the point of contact for product training.
D . Clarity roles and responsibilities with the stakeholders.

Answer: D