A nurse in a pediatric clinic is planning care for four children. The nurse should anticipate a provider's prescription for an auditory evaluation for which of the following children?

A 3-year-old child with a newly applied cast for a fractured arm who stutters

A 3-month-old infant discharged two days ago after hospitalization for bacterial meningitis

A 24-month-old toddler who recently completed a course of erythromycin for treatment of pertussis

A 6-month-old infant who is experiencing loose stools and is babbling loudly