What Key Evidence Has Emerged to Disprove the Myth That

What key evidence has emerged to disprove the myth that thimerosal (a mercury-based preservative) is responsible for autism?

A) Historically, no children with autism ever came into direct contact with thimerosal.
B) The incidence of autism has climbed after thimerosal was removed from the MMR vaccine.
C) As the amount of thimerosal in baby food has increased, the incidence of autism has decreased.
D) The incidence of autism has decreased significantly, but only in females who are immune the impact of thimerosal.