Which Statement Best Describes the Results of the Perry Preschool

Which statement best describes the results of the Perry Preschool Project?

A) Children at high-risk are better able to complete their academic careers.
B) This program is more beneficial to girls than boys.
C) Although there were long -term benefits of this program,there were no immediate benefits.
D) The short-term benefits appeared to disappear after a couple of years.
E) The long-term benefits of the program are unclear.