For the diagram below, a siren is going off in the distance to the left. The diagram shows the diffraction of the siren's sound wave around the wall. If you were behind the wall (position labeled "X") what would you hear? wall spurd waves for source to the left, moving to the right. X O A. You would hear the siren, but the pitch would sound higher. O B. You would hear the siren and think it was located at the opening in the wall. O C. You would not hear anything because there is no sound wave at that position. O D. You would not hear anything, because the wall would block the sound of the siren.​