单项选择题
Notify your doctor if you have asthma,urinary bladder problems(including obstruction),low blood pressure,stomach trouble or hyper-thyroidism before taking this medication.What does"you"refer to()
A.服药的人 B.药剂师 C.医生 D.护士 E.药品厂商
A.牙痛 B.头痛 C.产后腹痛 D.腰背痛 E.关节疼痛
A.提供 B.被提供 C.除非 D.至少 E.倘若