According to the figure showing the relative speed of mass movements, which of the following choices correctly orders the mass movements from the slowest to the fastest (the slowest one will be listed first - select only one choice).
A) Distribution of ground waterPresence of highways along the cliffs
B) The frequency of earthquakes along the cliffs
C) The inherent instability of the Shinarump conglomerate
D) Rejuvenation of Colorado River erosion