What is one advantage of using an image of an ordinary-looking person sitting in a jail cell on an anti-drunk driving poster?

a. the image powerfully demonstrates that even people in prison known not to drive drunk.

b. the image strongly suggests that those who drive drunk may end up serving time in prison.

c. the image indicates that only people in prison are those who drive drunk.

d. the image shows that only people with prison records drive under the influence of alcohol.