Which of the following statements about quotation marks is true? a. they are used in all titles. b. they are not used for repeating the exact words of someone. c. they are always used in pairs. d. they can be placed around any word to give it emphasis when writing.

The correct answer is C. Quotation marks are always used in pairs. A is incorrect, because titles can also be italicized rather than marked with quotations, depending on the piece. B is incorrect, because they are indeed used for citing someone's exact words. D is incorrect, because italics are more often used to emphasize a word.

Nevermore and lenore are some examples.