Rats are various medium-sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus.
The Answer is C. I took the test and it was correct. I give you 100% gurantee. If wrong you can report my question
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