The best statement Yoko can use as evidence is D. statement 4.
By mentioning that correctional workers get around $40,000 a year, Yoko is giving a literal example of how much the town pays officers to run the prison a day. This drives home the fact that money is spent on prisons.
In conclusion, option D is correct.
Find out more on the correctional system at https://brainly.com/question/25737450.