最易发生颈椎退变的节段是 A.C2~C3 B.C3~C4 C.C4~C5

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问题 最易发生颈椎退变的节段是A.C2~C3B.C3~C4C.C4~C5D.C5~C6E.C6~C7

选项

答案D

解析
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