Final answer:
Sentence C is not consistent with the thesis that teenagers need more rest.
Step-by-step explanation:
Out of the given options, sentence C is not consistent with the thesis that teenagers need more rest. While the other sentences discuss teenagers' hectic lifestyles, responsibilities, and long hours, sentence C focuses on their enjoyment of privacy, independence, and relationships. This sentence does not support the idea that teenagers need more rest as suggested by recent studies.
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