The way Lara demonstrates appropriate techniques to a formal discussion is B. She paraphrases her thoughts to ensure that all members understand them.
This refers to the rewriting of a text in order to make it more concise, without losing the main message.
Hence, we can see that based on Lara's communication skills which she uses to address a group of people, she is very good and she uses paraphrasing to ensure that all members understand them.
She first talks about her points to the group in a clear manner and when she is invited to give a more clarifying perspective, she makes use of paraphrasing to show her thoughts to ensure that all members understand them.
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