Hi Friend! I believe your Answer is:
(A) The informal language creates a conversational tone.
I Sure Hope this was Helpful!
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Her endless diary entries
the second bit is more formal, " You're six years old, aren't you?"
because, the other sounds very demanding or imperative, like as if you have to answer the question. so, it has to be the second line.
B- Tom might have won the case had race not been an issue
because humans count on coral reefs and the sealife they support,coral reefs should be able to count on humans too.