题目内容：
通读下面的短文，回答题。 Cats are creatures of habit． They like to go to sleep about the same time every day and for acertain length of time． They seem to have a natural clock inside them that tells them when to sleep．Cats increase their regular sleep with occasional cat naps (打盹" )． Some experts feel thathumans could also benefit from this habit． Cat naps help to build up energy in the body． They arealso a good way to get rid of trouble Since cats have the same moods (情绪) as humans, some
experts beheve that people can improve their moods． People might become happier．
A number of famous people have copied cats by taking cat naps during the day． The naps would usually last from 15 to 30 minutes．
Winston Churchill took cat naps． So did Presidents Harry Truman,John F． Kennedy and Lyndon B．Johnson． These famous men were known for their energy． They were also able to work long hours,often into the night． Napping was their secret．
Perhaps more people learn from cats and take naps to feel better and live longer!
Taking cat naps_________． A．will make a person lazy and tired
B．is a bad habit
C．will make people feel better
D．can help people become famous
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