V5.x系统中,删除动环网管Sybase数据库scanbus表中前置机ID为1且总线ID为3的SQL语句应该是()
A、delete*from scanbus where qzj_id=1 and scanbus_id=3
B、deletefrom scanbus whereqzj_id=1 and scanbus_id=3
C、del*from scanbus where qzj_id=1 and scanbus_id=3
D、delfrom scanbus where qzj_id=1 and scanbus_id=3