A Patient Seeks Treatment for Progressively Deteriorating Motor and Sensory

A patient seeks treatment for progressively deteriorating motor and sensory function. What question is essential for the nurse to ask when completing this patient's health history?

A) "Have you been around any small children?"
B) "When was the last time you had anything to eat?"
C) "When was the last time you traveled out of the country?"
D) "Have you recently experienced any lung or stomach infections?"