A Laptop is something nice to have
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Roderick Usher is struggling both mentally and physically
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D because it's plural and it usually would be mouses but it's mice
I'd say the answer is D.
The definition of the word discern is "1.Perceive or recognize something. ex; I can discern no difference between the two policies."
2. "Distinguish (someone or something) with difficulty by sight or with the other senses. ex; She could faintly discern the shape of a skull."