Which of the following sentences involving a direct quotation is punctuated correctly? A. “The wall on which they are placed,” h
e explained, “must be at least four feet below the surface to avoid frost.” B. “The wall on which they are placed,” he explained. “Must be at least four feet below the surface to avoid frost.” C. The wall on which they are placed, he explained, must be at least four feet below the surface to avoid frost. D. “The wall on which they are placed, he explained, must be at least four feet below the surface to avoid frost.”
The answer is A, when quoting a character the actions and physical interjections are without quotation marks. You also must end your quote with either a comma or period after the closed quote.