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[单选题]
老年人主动脉弹性减退，并伴有小动脉硬化时，动脉血压的变化是( )
A
收缩压降低，舒张压升高
B
收缩压升高，舒张压降低
C
收缩压升高，舒张压升高
D
收缩压变化不大，舒张压升高
E
收缩压升高，舒张压变化不大
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试题答案：
C
答案解释：
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