Characterizing the Speech and Swallowing Symptoms of Patients with Multiple

Characterizing the speech and swallowing symptoms of patients with multiple sclerosis is difficult because the:

A) onset of the disease is in adulthood
B) symptoms are usually mild
C) course of the disease is predictable,but the site of damage is not
D) type,severity,and rate of deterioration are variable
E) All of the above are truE.