The noise , therefore , is familiar to our ear , and has the power to conjure up life itself . Sound , alien to our life , always musical and a thing unto itself , an occasional but unnecessary element , has become to our ears what an overfamiliar face is to our eyes . Noise , however , reaching us in a confused and irregular way from the irregular confusion of our life , never entirely reveals itself to us , and keeps innumerable surprises in reserve . We are therefore certain that by selecting , coordinating and dominating all noises we will enrich men with a new and unexpected sensual pleasure .

Question: What sense is the narrator trying to focus upon ?
Answer: They are focusing upon smell .They are focusing upon touch .They are focusing upon sound .None of the above choices .