Final answer:
The correct criteria to add to the MinOrders query to select records where the MinOrder field is greater than or equal to $20,000 is A) MinOrders >= 20000.
Step-by-step explanation:
To select only records where the MinOrder field is greater than or equal to $20,000, the correct criteria to add to the MinOrders query is: A) MinOrders >= 20000. This criteria specifies that only records with a MinOrder value of $20,000 or higher will be selected.