Which input would give an output of 4 for the following function? countDidgits (int x) y = 0 Return y Do While x > 10 Loop A) 40404 B) 240824 C) 528037 D) 856087 O E) 1499943 x = x / 10.0 If x-roundDown(x, 0) >= .5 y = y + 1 End If