C. Integrity is the answer
<span>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. </span>
The answer is C. When she was forty years old
I'd like to say its a conversational(<span>appropriate to an informal conversation)</span> and inquisitive(curious or inquiring) tone
Have you wrote one yet? if not I'll try to help you