SELECT*FROMSPWHEREsph=’0101’UNIONSELECT*FROMSPWHEREsph=’0102’与上述命令功能等价的选项是____。['A:SELECT*FROMSPWHEREsph=’0101’ANDsph=’0102’', 'B:SELECT*FROMSPWHEREsph=’0101’ORsph=’0102’', 'C:SELECT*FROMSPWHEREsph=’0101’OR’0102’', 'D:SELECT*FROMSPWHEREsph=’0101’AND’0102’']