The best answer would be A because you can bite your lips when your nervous but it could also be C because little kids bite hands.
The best answer would be A
the answer is b.los its on the sentence
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Answer:
it's is sample from the bottom iPhone app into pc share app into pc share app into pc share app into
I'm sorry but I think you are in the wrong language. That's French and this section is Spanish. :)
Explanation: