A Community Health Nurse Suspects Munchausen's Syndrome by Proxy When

A community health nurse suspects Munchausen's syndrome by proxy when a child:

A) experiences seizures only when a parent is present, not if a third party is present.
B) has stunted growth and shortened limbs that have been noticeable since birth.
C) has a noticeable limp when wearing shoes but not in bare feet.
D) has periods of "acting out" and misbehaving, especially when there is company.