Mantis shrimp (Gonodactylus bredini) give a threat display called the meral spread even immediately after molting when they are actually virtually defenseless. This bluff is likely to remain effective in the population because

A) a signaler that is not newly molted can inflict serious, even lethal, injury on an opponent.
B) it is identical in form to meral spread displays given by individuals that are not newly molted.
C) on average, the signal is honest.
D) all of the above.