View the Exhibit and examine the structure of the ORDER_ITEMS table. 

You must select the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table. Which query would produce the desired result? 

Answer options:

A. SELECT order_id FROM order_items GROUP BY order_id HAVING SUM(unit_price*quantity) = (SELECT MAX(SUM(unit_price*quantity)) FROM order_items GROUP BY order_id);
B. SELECT order_id FROM order_items WHERE(unit_price*quantity) = (SELECT MAX(unit_price*quantity) FROM order_items) GROUP BY order_id;
C. SELECT order_id FROM order_items WHERE(unit_price*quantity) = MAX(unit_price*quantity) GROUP BY order_id;
D. SELECT order_id FROM order_items WHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity) FROM order_items GROUP BY order_id)

A