单项选择题
A.0-6MV间任意能量的X线B.6-12MV间任意能量的X线C.6-18MV间任意能量的X线D.6-24MV间任意能量的X线E.0-18MV间任意能量的X线
A.2DRT→CRT→IMRT→IGRT→BGRTB.CRT→2DRT→IMRT→IGRT→BGRTC.2DRT→IMRT→CRT→IGRT→BGRTD.2DRT→CRT→IMRT→BGRT→IGRTE.2DRT→CRT→BGRT→IMRT→IGRT
A.95%B.85%C.75%D.65%E.55%