Which one of these statements, if true, most weakens Gabriella’s argument?

Gabriella says that zoos should be banned, because it is wrong to keep wild animals in captivity.

She says that animals should have the right to live in their natural habitats.

Which one of these statements, if true, most weakens Gabriella’s argument?

Zoos provide an opportunity for humans to see wild animals without having to go on safari. Modern zoos try to ensure animals are given some exercise and stimulation. Some wild animal species would die out completely if they were not bred in captivity. Wild animals kept in confined spaces can display extremely distressed behaviour.

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Which one of these statements, if true, most weakens Gabriella’s argument?