Answer:
D. It does not include quotation marks around Tuck's words.
Step-by-step explanation:
In the sentence, there are no quotation marks to indicate the original words extracted from Daniel Tuck's work. Therefore, the revised version would be:
According to Professor of Criminology Daniel Tuck, "During the 1970s, when more people were executed than in any other decade, crimes rates actually rose 25 percent across the country."