单项选择题
A.主析取范式为空,M0∧M1∧M2∧M3B.m0∨m1∨m2∨m3,主合取范式为空C.m0∨m1∨m2,M0D.m0,M1∧M2∧M3
A.m0∨m1∨m2,M3B.m2∨m3,M0∧M1C.m0∨m1∨m2∨m3,主合取范式为空D.主析取范式为空,M0∧M1∧M2∧M3
A.m3,M0∧M1∧M2B.m2,M0∧M1∧M3C.m2∨m3,M0∧M1D.m1∨m2,M0∧M3