Answer:
well, when a person is American, speaks in English American and is fully acquainted with American cultures and rituals.
The detail in the passage that supports the idea that Elizabeth aims to show Darcy that she is just as levelheaded is C. “Yet she tried to the utmost to speak with composure”
<h3>What is a Supporting Detail? </h3>
This refers to the use of evidence to show that a claim is valid through the use of factual or statistical information.
Hence, we can see that from the complete text, there is the narration of the interaction between Elizabeth and Darcy and Elizabeth wants to show that she is level-headed, so she tries to speak with composure.
Read more about Elizabeth and Darcy here:
brainly.com/question/17504850
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A sidebar is a noun which means a short bit of extra information alongside a long story or online publication.