The sentence from the option that is correctly punctuated is:
"Lily put down the last brownie, and back away, and we can still be friends." (Option A).
<h3>What is punctuation?</h3>
Punctuation refers to the correct use of symbols in the English Language to properly separate phrases and clauses that make them more intelligible and readable.
Examples of punctuations are:
- Comma
- Full Stop
- Bracket etc.
Learn more about Punctuation at:
brainly.com/question/1224394
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