The Mother of a 6-Year-Old Vietnamese Child Admitted with Pneumonia

The mother of a 6-year-old Vietnamese child admitted with pneumonia is rubbing a coin on the child's back. The coin leaves red marks. Which of the following responses by the nurse is best?

A) Do not allow the mother to be alone with her child.
B) Explain to the mother that she cannot do this in the hospital.
C) Add a statement to the care plan that the family practices coining.
D) Report the possibility of child abuse.