A.
SELECT C_ID,SUM(OrderAmount) FROM Orders WHERE SUM (OrderAmoount)>3000 GROUP BY C_ID
B.
SELECT C_ID,SUM(OrderAmount) FROM Orders WHERE SUM (OrderAmoount)>3000
C.
SELECT C_ID,SUM(OrderAmount) FROM Orders GROUP BY C_ID HAVING SUM(OrderAmount)>3000
D.
SELECT C_ID,SUM(OrderAmount) FROM Orders GROUP BY C_ID WHERE SUM(OrderAmount)>3000