Which of these techniques is best used before beginning a discussion to ensure that important topics are covered?
a. asking clarifying questions b. outlining a discussion plan c. using text to support claims d. challenging others' opinions

B. Outlining a discussion plan.

Explanation:

Outlining a discussion plan is a particularly useful strategy in order to ensure that all important topics are covered during a discussion. It is important to create this plan before the discussion begins, and to create it in such a way that every topic can be adequately covered in a determined amount of time. Creating an outline is also a good strategy to ensure that no one is lost and everyone is following the discussion.

b

explanation:

you have to tell us what you're talking about or it's impossible to answer.