Final answer:
The standard proportions of ingredients for stock are typically used for chicken and beef stocks, as they require a rich base of bones, water, and mirepoix.
Step-by-step explanation:
The types of stock use that follow the standard proportion of 8 pounds of bones, 6 quarts of water, and 1 pound of mirepoix are typically B) Beef Stock and A) Chicken Stock. Both chicken and beef stocks are foundational elements in many culinary traditions and utilize this proportion of ingredients to create a rich flavor base. Vegetable stocks often do not include bones and fish stocks typically have a different proportion due to the delicate nature of fish bones and flesh.