ENGLI-is known to have a role in everything from h

B

Key Concept

Precise word choice in completing a text

Explanation

The word choice in completing a text is crucial to convey the intended meaning and maintain coherence. In this case, option B is the most appropriate choice as it suggests that there are still undiscovered advantages of prolonged deep sleep, aligning with the scientists' claim that the known benefits are insufficient to explain its widespread occurrence in the animal kingdom.

C

Key Concept

Precise word choice in completing a text

Explanation

The word choice in completing a text is crucial to convey the intended meaning and maintain coherence. In this case, option C is the most appropriate choice as it suggests that the language in Bao Phi's collection Song I Sing has a pleasant musical quality, aligning with the librarian's observation that the pieces don't lose their melodic nature when printed.

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