How Can the Use of a Computer Assist Parents in the Selection

How can the use of a computer assist parents in the selection of a child psychologist for a consultation?

A) The parent can verify the psychologist's credentials and ratings by others.
B) The parent can e-mail the psychologist with questions pertaining to the child.
C) The parent can e-mail the psychologist about the reason for requesting a consultation.
D) The parent can negotiate a lower fee for the consultation.
E) All of the above.