Answer:
A) Keep all research notes handy
Explanation:
B) While it's important to ask the speaker questions, when you want to introduce evidence that strategy is of no use.
C) Information that is irrelevant is just what it is. It's information that doesn't matter,
D) Unless it's a topic that relates to the discussion you should not bring it up at all.
A) When you have your research notes ready, you can easily refer to them, therefore this is the correct answer.
