A Client Who Takes Avorstatin (Lipitor)daily Has Been Prescribed Erythromycin

A client who takes avorstatin (Lipitor) daily has been prescribed erythromycin for sinusitis.To prevent consequences of an adverse effect of this combination of drugs, it is most important for the nurse to monitor this client for

A) Lack of expected response to erythromycin.
B) Abdominal pain and cramping.
C) New onset of muscle pain.
D) Bleeding from the oral cavity and bruising.