What Can You Conclude Based on the Studies That Compared

What can you conclude based on the studies that compared very poor adolescents who had intensive intervention in preschool, those who had intensive intervention in elementary school, and those who had no intensive intervention?

A) Funding preschool interventions will yield more positive results than funding elementary school interventions.
B) Funding elementary school interventions will yield more positive results than funding preschool interventions.
C) Funding either type of intervention program will yield about the same results.
D) Neither type of intervention program had significant enough results to justify future funding.