单项选择题

A.First 15 dept_no values. 
B.Last 20 ID_no and quantity values with the first 15 dept_no values for each work_in_progress value. 
C.First 15 dept_no values with the last 20 ID_number and quantity values for each total_inventory value. 
D.First 15 dept_no values and the last 20 ID_no and quantity values. 
E.The last 20 ID_number and quantity values.