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【单选题】
图中卫生技术人员的人数包括医生和注册护士，还包括其他相关工作人员，那么A市卫生技术人员中除去医护人员以外的工作人员人数，占卫生技术人员人数的比例是多少?( )A.
74.7%
B.
42.9%
C.
31.7%
D.
25.3%
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