单项选择题
A.1%~5% B.5%~10% C.10%~15% D.15%~20% E.20%~30%
A.40%~50% B.50%~60% C.60%~70% D.70%~80% E.50%~90%
A.面神经鞘膜瘤 B.听神经瘤 C.脑膜瘤 D.颅咽管瘤 E.脊索瘤