A key stakeholder has been reviewing dashboards from the project manager on a regular basis. The stakeholder tells the project manager to present milestones in a linear manner for easier understanding. Which of the following is the MOST likely cause of this issue?

A. The communication method was not clearly defined for the stakeholder.
B. The communication tool was not clearly defined for the stakeholder.
C. The communication format was not clearly defined for the stakeholder.
D. The communication frequency was not clearly defined for the stakeholder.