Carolus Linnaeus believed that as animals became more complex, so did their emotions. He was a Swedish scientist and is most often referred to as the Father of Taxonomy. His system of classification of plants and animals is still widely in use today.
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The correct answer is (B). Authorized means "given permission", but sometimes there is limitations and the subject of the story may not want others going through personal records (ruling out A, C, and D). I hope this helps!