A Disadvantage of the Wave Scheduling System Is That ____

A disadvantage of the wave scheduling system is that ____.

A) it assumes that two patients will actually be seen by the physician within the scheduled period
B) it prevents the medical assistant from pulling the patient's charges before they arrive.
C) patients become annoyed or angry when they realize that they have appointments at the same time as other patients
D) patients may have a considerable wait before seeing the physician
E) it does not allow flexibility to work with patients who arrive late for their appointments