Some Parents of Children with Autism Strongly Believe That Vaccines

Some parents of children with autism strongly believe that vaccines cause autism.They claim that the child was perfectly normal until the child received vaccines.Which is the best evaluation of these claims,from a psychological science perspective?

A) These parents are probably right.Psychological research strongly suggests that the world is exactly as we see it.
B) These parents are probably right.Psychological research strongly suggests that everyday intuition is almost always correct.
C) Although these parents may be right,a greater number of parents would have to make this claim in order to validate that vaccines cause autism.
D) Although these parents may be right,an illusory correlation could be responsible for the perceived link between vaccines and autism.