Bulimia is found to be _____.
- A［A］ related to the level of serotonin
- B［B］ psychological rather than biological
- C［C］ identical with anorexia nervosa in the cure
- D［D］ a leading cause of death among middle-aged women
问题
Bulimia is found to be _____.
参考解析：
本题考查事实细节。由第四段第三句和第四句可知，研究发现复合胺有助于让许多人停止吞食大量的食物，即摆脱暴食症。因此［A］项正确。第三段首句指出，饮食性疾患（包括暴食症）也是生理问题，排除［B］项。第四段第五句指出，（治疗暴食症的）药物对于治疗厌食不起作用。排除［C］项。 ［D］项文中未涉及，第三段末句提到，厌食症造成的死亡大多发生在45岁以上的妇女身上。
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