单项选择题A．Kings and queens, princes and princesses, and lords and ladies built castles in order to get more land.B．Around the outside of a castle, a moat was dug, which was often filled with water.C．A castle was built behind a thick and high stonewall, which was strong enough to stand the possible attack of enemies.D．If a drawbridge was pulled up, there was no way for people to enter the castle.

单项选择题A．The man should try to be more understanding.B．The man’s wife should be more understanding.C．The man’s negative attitude may be derived from his childhood.D．The pessimism of man’s wife may be the result of her past experiences.