单选题
What kind of child may be at the highest risk of developing insulin-dependent diabetes?
A、
The children whose fathers are five years younger than their mothers.
B、
The children whose mothers are five years younger than their fathers.
C、
The third-born children whose fathers got married late.
D、
The first-born children whose mothers started their fatuities late.
【正确答案】
D
【答案解析】
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