求每个终点的平均票价的SQL语句是A.SELECT终点,avg (票价) FROM ticket GROUP BY 票价B.SELECT终
求每个终点的平均票价的SQL语句是
A.SELECT终点,avg (票价) FROM ticket GROUP BY 票价
B.SELECT终点,avg (票价) FROM ticket ORDER BY 票价
C.SELECT终点,avg (票价) FROM ticket ORDER BY 终点
D.SELECT终点,avg (票价) FROM ticket GROUP BY 终点
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)