________（49）A.they can give people unprecedented
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________（49）
A.they can give people unprecedented power over their lives
B.the Stephensons spent several years learning to live with it
C.People from high-risk families have come to fear tests almost as much as the disease
D.They just saw a positive genetic test and said,"You’re out"
E.Because it covers only group plans and doesn’t deal with disability insurance
F.At least 15 states in the U.S.have recently placed restrictions on insurers or employers
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答案：E
本段作者主要叙述的是联邦政府正采取措施使基因信息不再对人产生威胁，但是该空的前一句却说“然而伦理学家说这项法案只是第一步”，这跟前文是意义的转折，而读者会疑惑为什么伦理学家会这样说，所以我们推断作者在此处应当更进一步解释伦理学家这么说的原因。只有选项E最符合题意。