【单选题】关于药物副作用的叙述不正确的是
A.
在服药过程中遇到一些弱的副作用,此时停药是最重要的
B.
有些药物的副作用是预料之中的,也是不可避免的
C.
药物有时具有某些人们不需要的作用,这些不需要的作用被称为副作用
D.
药物的副作用大体上可分两大类:一类具有明显症状;一类需经化验才能检测出
E.
意料之外的药物副作用往往是由不同个体对药物的特异性反应而产生的
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