A that may cause our blood vessels to become more and more narrow B for pregnant women to take during their last six months of p

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问题 A that may cause our blood vessels to become more and more narrow
B for pregnant women to take during their last six months of pregnancies
C that their likelihood to suffer major problems is two times higher than other babies
D with their doctors about how to treat their problems
E because diabetes during pregnancy may sometimes lead to birth defects
F though their mothers took ACE inhibitors during their first three months of pregnancies
Evidence showed only a small percentage of babies suffered major disorders______.

选项

答案F

解析 第三段后半部说到,研究人员研究了大约30,000个婴儿,其中209个婴儿的母亲在妊娠的头三个月服用过ACE抑制剂,但只有18个婴儿患有大病,大约占9%。
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