在下列SQL语句中，正确的是 A: SELECTSno,SNameFROMSCGROUPBYSno; B: SELECTSnoFROMSCGROUPBYSnoHAVINGCOUNT(*)>3; C: SELECTSnoFROMSCGROUPBYSnoWHERECOUNT(*)>3; D: SELECTSnoFROMSCORDERBYSnoHAVINGCOUNI(*)>3;