Pedophilia is a common medical term that is used to refer the child molestation or the child sexual abuse. This may be towards girls, boys or both. Not all pedophilia are child molesters as a person with pedophilia may have fantasies involving sexual activity with a child but act on them but they are not considered as child molester.
Mostly the victims are younger children of non-biologically related females.
Hence the option d and c are not correct.
The offenders may be familial or non-familial. If the offender and child are related then pedophilia is called incest and usually at the age of puberty. Mostly the offenders are caretakers followed by other parents and natural parents.
Hence the correct option is .