Doctors have recently discovered that______. What is the most common cause of infant deaths?

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问题 Doctors have recently discovered that______.
What is the most common cause of infant deaths?

选项 A、Prematurity.
B、Organic defects.
C、Lack of special equipment.
D、Lack of artificial womb.

答案A

解析 细节题。题意为:"致使婴儿死亡最常见的原因是什么?"根据文章第四段首句"导致婴儿死亡的最常见的原因是早产",可知答案选项正确。
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