The parent of an school-aged child tells the practical nurse (PN) that the child fell out of a tree and hurt the child's arm and shoulder. Which assessment finding should the PN note as the most significant indicator of possible child abuse?

The parent's version of the injury is different from the child's version.

The child has several abrasions on the chest and legs.

The child looks at the floor when answering the nurse's questions.

The parent refuses to answer questions about family history.