Explanation:

- Gift of the gab: This phrase means someone has a natural ability to speak fluently and persuasively, which is perfect for describing an elocutionist.

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- Yellow press: Refers to journalism that is sensational and exaggerated. It doesn’t relate to someone's speaking ability.

- Fourth estate: This term is used to describe the press or media, highlighting its role in society. It doesn’t fit the context of a great elocutionist.

- Curtain lecture: This means a private scolding, usually by a wife to her husband. It’s unrelated to public speaking skills.

Your choice shows a great understanding of language nuances!