Which of these comments should you hear during a collaborative discussion? Tell us more.
No comment.
I don’t want to listen.
Your idea makes no sense.

Tell us more!

Explanation:

When talking about an idea, you always want to hear positive words, as that inspires you to continue thinking of your idea, and further develop it!

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Tell us more.

Explanation:

If it's a collaborative discussion, then the members of the discussion should be actively listening and encouraging others to speak. Saying something like "I don't want to listen" and "Your idea makes no sense" isn't constructive criticism and doesn't tell the speaker how they could improve on their speech. Saying "No comment" is unnecessary - if you have nothing to say, then don't mention it, just stay silent. Something like "Tell us more" encourages others to speak and advances the discussion.

Hope this helps :)