In Research That Examined the Strength of Conformity to Reduce

In research that examined the strength of conformity to reduce littering, research participants in a cluttered parking lot saw another person either litter or pick up some litter. Upon arriving at their car, participants found a flyer in their windshield. Which of the following is not a finding from the research?

A) Those who saw the person litter were more likely to litter as well.
B) Those who saw the person pick up the litter, were less likely to litter.
C) When participants neither saw a person litter or pick up litter, they were likely to litter.
D) Those who saw the person litter were less likely to litter themselves.