The government will not exercise        control over any private firm, and federal officials will not have

       seat around the local bank's boardroom(会议室) table . [ ]

A. /; a          

B. the; a      

C. /; the        

D. the; the

如果某项检验指标高滴度与疾病有联系时，将诊断标准降低一个稀释度则很可能会导致（）

A.灵敏度、特异度都减小

B.灵敏度增加，特异度则根据周围情况增加或减小

C.灵敏度减小而特异度增加

D.灵敏度和特异度都增加

E.特异度减小而灵敏度增加