Group discussions can also be categorized based on the topic allotted for the discussion to the participants. There are three kinds of topics-controversial topics, abstract topics and case study topics.
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D. The school library are a helpful resource for students
I would choose d)Revising topic.Hope i helped u:)
Explanation:
IT TRIES TO SAY THAT ANIMALS ARE KEPT IN BAD CONDITION THEY DON'T HAVE SPACE TO STAY.