单选题
Beta blockers work on some physical and emotional symptoms because they ______.
A、
fool a person into a healthier stance
B、
interfere with the effects of adrenalin
C、
produce side effects worse than the symptoms
D、
primarily change human thought processes
【正确答案】
B
【答案解析】
[分析] 细节题型。 见文中：These medications，which interfere with the effects of adrenalin…这些用来舒缓心境和较小压力如怯场的药物会干扰肾上腺素……，可知B为答案。
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