请选择DCBA,U*B;|,x/`'J.P;?'[ The doctors are trying their best to save the _____ boy.-R+V7o;p-~5U)W)K.`(U7h(]8T
A. dead-R+V7o;p-~5U)W)K.`(U7h(]8T
B. dying-R+V7o;p-~5U)W)K.`(U7h(]8T
C. died-R+V7o;p-~5U)W)K.`(U7h(]8T
D. diing-R+V7o;p-~5U)W)K.`(U7h(]8T