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