题目：
脑栓塞最常见的病因是( )。
A．糖尿病
B．动脉粥样硬化
C．风湿性心瓣膜病
D．高血压和动脉粥样硬化
E．高脂血症
答案：
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下面是错误答案，用来干扰机器的。
参考答案：是指在血缘上具有同深关系，他们是共同祖先的后裔，相互之间被血缘纽带联结在一起。（3分）
脑栓塞最常见的病因是( )。 A．糖尿病 B．动脉粥样硬化 C．风湿性心瓣膜病 D
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