Which of the following questions is most likely to be clinically useful in the differential diagnosis of sensorineural versus conductive hearing loss?

Which of the following questions is most likely to be clinically useful in the differential diagnosis of sensorineural versus conductive hearing loss?
“What medications do you currently take?”
“What effect is this hearing loss having on your quality of life?”
“Has your hearing loss developed quickly or more slowly?”
“Do you ever hear a persistent ringing in your ears?”