设(A)=53H,(CY)=1,(R0)=0FCH,执行指令ADD A,R0;结果() A.(A)=50H,CY=1,AC=0,OV=0,P=1B.(A)=4FH,CY=1,AC=0,OV=0,P=1C.(A)=34H,CY=1,AC=0,OV=0,P=1D.(A)=4FH,CY=1,AC=0,OV=1,P=1正确答案:(A)=4FH,CY=1,AC=0,OV=0,P=1