The Nurse Notes the Presence of White Lesions That Resemble

The nurse notes the presence of white lesions that resemble milk curds in the back of a patient's throat. Which question by the nurse is appropriate at this time?

A) "Are you taking any medications?"
B) "Do you have a productive cough?"
C) "How often do you brush your teeth?"
D) "Have you had an oral herpes infection?"