The best and most correct answer among the choices provided by your question is the fifth choice or letter E "<span>a courtier should be able to discuss art and philosophy."
</span>The Book of the Courtier<span> is a courtesy </span>book<span>. It was written by Baldassare Castiglione over the course of many years, beginning in 1508, and published in 1528 by the Aldine Press in Venice just before his death; an English edition was published in 1561.</span>
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I would say the 2nd to last paragraph the on that starts with "He"
I think its b. culture lets the reader know which of the characters’ behaviors are normal and which are unusual
