A two-year-old toddler is brought into your emergency room with pain and restricted movement in the upper right arm. His parents state he fell off his tricycle. An X-ray reveals a spiral fracture of the humerus.
You would:

a. Educate the parents about bike safety.
b. Question the parents further about the accident.
c. Report the suspicion of child abuse immediately.
d. Advise the parents to seek counseling.