单项选择题
A.10～15个 B.15～20个 C.20～25个 D.25～30个 E.30～35个
A.T1N2M0 B.T2N2M0 C.T1N1M0 D.T2N1M0 E.T3N1M0
A.10×9% B.6×9% C.5×9% D.4×9% E.3×9%
A.1×9% B.2×9% C.3×9% D.4×9% E.6×9%
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