One of the main arguments that animal rights advocate present is that animals have rights because they are capable of suffering.
Animal rights are ethical visions founded on the trust that animals deserve the space to live their own lives without being affected by mortal interests.
Humans have to always give freedom to animals for their living without their personal interests.
The animal is capable to suffer this is an argument that comes always on the animal rights sheet.
Hence the option B is correct.
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