54. Why did Paris kill Achilles?
(A) Because Achilles had killed Paris's brother Hector.
(B) Because Achilles had killed Paris's best friend Patroclus.
(C) Because Achilles had cursed Paris's sister Cassandra.
(D) Because Achilles's mother had dipped him in River Styx.
(E) Because Achilles had been cursed by Apollo.