If a Conditional Strategy, Such as the "Assessor Strategy", Is

If a conditional strategy, such as the "assessor strategy", is to be effective it is likely that

A) animals evolve in ways that allow them to assess one another's resource holding potential accurately.
B) animals will evolve in ways that allow them to bluff convincingly when possible.
C) contestants might increase their fitness by assessing their opponent's resource holding potential relative to their own and adjust their fighting strategy to suit the occasion.
D) all of the above.