Answer :
The relationships between the ideas or items in a text can be subtly described by the author. The phrase that best describes the underlined words in the sentence is;
- D. Item-category
Item-category description occurs when an item is mentioned and the group that it falls into is specified.
The items or animals mentioned in the text are the orangutans, chimpanzees, bonobos, and people. Their category is described as Great Apes.
Thus, we know the group that these animals fall under.
So, Option D is correct.
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