What is the meaning of the phrase "a man of letters"?

a scholar

The answer is (2) a scholar.

The other options are incorrect.

• (1) intelligent man is a more general term that could describe anyone who is intelligent, regardless of their education or interests.
• (3) enthusiastic man describes someone who is passionate about something, but it does not necessarily mean that they are well-educated or that they have a deep knowledge of a particular subject.
• (4) true friend describes someone who is loyal and trustworthy, but it does not necessarily mean that they are well-educated or that they have a deep knowledge of a particular subject.