52. The passage mainly focuses on___________. (A)the causes of anger (B)the medical treatment of anger (C)the health problems caused by anger (D)reasonable ways of dealing with anger

53.It can be concluded from the passage that_______. (A)keeping anger inside is better than expressing it intensively (B)both repressing and expressing anger cause health problems (C)keeping anger inside is more likely to cause heart disease (D)expressing anger freely can avoid medical problems