In a Community Park, a 10-Year-Old Boy Has Fallen from the Top

In a community park, a 10-year-old boy has fallen from the top of a slide. His right wrist is deformed and he is in pain. He states that he lives with his mother and she is working. He does not know her work number. The EMT's best action would be to:

A) treat the patient under the guidelines of implied consent.
B) do not treat the patient until his mother can be contacted.
C) obtain permission from the park director.
D) have the police take custody of the boy and give permission to treat.