【单选题】

Doctors say anger can be an extremely damaging emotion unless you learn how to deal with it. They warn that angry feelings can (56) heart disease, stomach (57) , headaches, and (58) cancer.Anger is a normal (59) that all feel (60) . Some people express anger (61) in a calm,reasonable way. Some people (62) with anger and scream and yell.But other people keep their anger (63) . They can not or will not (64) it. This is called repressing anger. (65) years many doctors thought that (66) anger was more dangerous to a person’s (67) than expressing it.Doctors said that (68) the feeling to express the anger only makes the feeling (69) .And this can lead to many (70) problems.Doctors thought a person could (71) these problems by telling the anger (72) , by expressing it freely.But recently some doctors (73) this. They said that people who (74) anger repeatedly and explosively become in fact (75) angry.

A、more and more B、all at once
C、more or lessD、a great deal