Answer:
<em>It shows how the elderly struggle to adapt to the rapid pace of modern society.</em>
Explanation:
The novel is a work written by Ntozake Shange in 1985 about a young African-American young girl and her struggles living as a black.
The sentence that best represents the function of a supporting sentence is, option B. It adds more details to the topic sentence. The supporting sentences make up the paragraph that talks about the main sentence. The supporting sentences not only add more information about the topic, but also add examples to further explain the main sentence.
The answer is (C). Everything else is <em>collective</em>, but money can be otherwise.