The human auditory apparatus is quite good at determining the direction of a source of sound even if reflections arrive at the ear along different paths. This is called the precedence effect. There are three conditions under which this effect takes place. Which of the following is not one of those conditions? A. Successive sounds have similar spectra B. Successive sounds are in phase with the first C. Successive sounds arrive within about 40ms D. Successive sounds are not louder than the first