How Can a Neuropsychological Test Help Differentiate Between a Child

How can a neuropsychological test help differentiate between a child with a learning disability and a child with ADHD?

A) The symptomatology is more pronounced in a child with ADHD.
B) The symptomatology is more pronounced in a child with a learning disability.
C) For a child with a learning disorder, attention deficit is most prevalent in the specific area of the disability, while for the child with ADHD, the attention deficit is equally likely to occur in any activity.
D) For a child with a learning disorder, attention deficit is equally applicable to all school subjects, while for a child with ADHD, the attention deficit is more subject-specific.