The sentence "the toppled emperor is made painfully aware of the naked vanity of his own legend" can best be paraphrased as ______.
A．the fallen emperor is forced to acknowledge his own incapability
B．the defeated emperor has painfully got to know the useless pursuit of the naked vanity of his own fate
C．the badly beaten emperor has painfully got to realize the true value of vanity of his own leg- end
D．the overthrown NapoleonBonaparte has got to realize how ridiculous his pursuit of the naked honor and popularity was