What Findings Have Led Researchers to Postulate an Illusory Bias

What findings have led researchers to postulate an illusory bias in children with ADHD?

A) ADHD boys had more positive self-evaluations of their social interactions than control participants.
B) ADHD boys had more negative evaluations of themselves in their social interactions with same age peers.
C) ADHD boys perceived control participants to be socially unskilled compared to themselves.
D) ADHD boys perceived control participants to be uninteresting.