Answer:
c. In practice, offenders sentenced under truth-in-sentencing laws rarely serve 85 percent of their sentences.
Step-by-step explanation:
Considering the available options, research studies have shown that the true statement about truth-in-sentencing laws is that "In practice, offenders sentenced under truth-in-sentencing laws rarely serve 85 percent of their sentences, " because despite there truth-in-sentence laws that mandated convicts to spend a certain minimum period in prison, many convicts still get paroled early.