What best describes the most effective tactic for getting stakeholders’ attention and buy-in?

A: Ask them to review or provide feedback, especially on something you have done for them B: Talk to the individuals they report to in advance and gain their support so the stakeholders realize upper management already supports your position C: Schedule a meeting of all stakeholders and make a strong case that overcomes all of their objections D: Explain in precise terms to each stakeholder how your position is the most realistic approach to the issue or concern