【已刪除】33. Which best explains how gunpowder ended the role of traditional castles?
(A)Wars were fought with guns and hiding in castles was no longer necessary.
(B) Artillery forts with large cannons became more stylish than traditional castles.
(C) Cannons were able to knock down stone walls, so castles offered little protection.
(D)Defending castles became difficult, since attackers could just shoot castle defenders.