单项选择题
A.肿瘤量除以百分深度量B.肿瘤量除以楔形因素C.肿瘤量除以肿瘤最大剂量比D.肿瘤量乘以楔形因素再除以百分深度量E.肿瘤量除以百分深度剂量与楔形因素的乘积
A.5MeVB.4MeVC.3MeVD.2MeVE.1MeV
A.1m-2mB.3m-4mC.4m-5mD.5m-6mE.7m-8m