[单选题]80运动神经切断后所支配的肌肉萎缩是因为失去神经的:( )

A、传导作用
B、支持作用
C、允许作用
D、营养作用

参考答案： D

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● 80运动神经切断后所支配的肌肉萎缩是因为失去神经的:( )
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