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.

the two answers are

get thee back into the tempest and the night's plutonian shore

on the pallid bust of pallas just above my chamber door

answer; (external conflict)