Answer:
The correct answer is A. A sentence of death costs the state "almost three times as much as a sentence of life in prison" (DeLon 147)
Explanation:
In text citations should be as brief as possible, which purpose is to guide the readers to the entry of the work cited. Where generally it only includes the author;s last name and the page number(s) of the information used. In this case using only those to pieces of information "DeLon 147".