In this way any noise obtained by a rotating movement can offer an entire ascending or descending chromatic scale , if the speed of the movement is increased or decreased . Every manifestation of our life is accompanied by noise . 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 .
What might happen is noise finds its way into your life suddenly ?
Pick the best answer from the following options:
A. It can conjure forth a visual manifestation .
B. It can make you recognize a familiar face .
C. It can catch you off guard .
D. None of the above choices .


C