One Reason That N Uses the Chariot Example Is to Illustrate

One reason that N uses the chariot example is to illustrate how

A) a whole is the sum collection of its parts.
B) a whole can be identified with its most essential parts.
C) there are no such things as wholes which exist over and above their parts.
D) it makes no sense at all to talk about chariots as existing in the first place.