None of the options listed are recommended behaviors in a discussion. However, if you are looking for a constructive guideline for discussions, consider these alternatives:
- Listen actively and attentively: This fosters a respectful and effective conversation.
- Allow speakers to finish their points: Avoid interrupting, as it shows that you value their contribution.
- Engage thoughtfully when appropriate: Rather than competing, focus on collaborative dialogue that encourages idea sharing.
If you need to choose from the given options, then it's best to acknowledge that all of them reflect poor discussion practices.