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【单选题】
关于骨迷路描述,错误的是A.
骨迷路是由骨构成的腔与管，沿颞骨岩部的长轴排列
B.
由耳蜗、前庭和骨半规管构成，它们互相通连
C.
前庭属于骨迷路，其后上部有五个小孔与三个半规管相通
D.
前庭窗由纤维膜封闭，蜗窗由第二鼓膜封闭
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