According to the passage, why was it not comfortable to live in a castle？A．People living i

According to the passage, why was it not comfortable to live in a castle？

A．People living in a castle could not go out of the castle freely.

B．It was cold and humid inside the rooms of a castle and the smoke from their fireplaces had no chimney to go out.

C．Every time they wanted to go out of the castle, they had to ask the soldiers to lower the drawbridge.

D．The castle was not big enough to ride horse or to take a walk.