Final answer:
The correct MLA formatting for a title within a title is option d: "Frantic Forensic Oratory: Poe's 'The Tell-Tall Heart'". Article titles should be enclosed in quotation marks, while book or journal titles should be italicized.
Step-by-step explanation:
The correct MLA formatting for a title within a title is option d: "Frantic Forensic Oratory: Poe's 'The Tell-Tall Heart'". According to MLA guidelines, article titles should be enclosed in quotation marks, while book or journal titles should be italicized. In this case, the title 'The Tell-Tall Heart' is an article title within the book title 'Frantic Forensic Oratory', so it should be enclosed in quotation marks.