The correct answer is option 'A', odds and ends from their hamper. In the story "The Friends" by Rosa Guy, the friends, Annie, Louisa, and Emma, add odds and ends from their hamper to give flavor to the Irish stew.

Explanation:

Odds and ends from their hamper:
- In the story, the friends are attending a boarding school where the food is often bland and tasteless. They come up with a plan to add flavor to their meals by pooling together odds and ends from their hamper.
- A hamper is a basket used for carrying food, and in this context, it refers to the provisions the girls receive from their families.
- By combining various ingredients from their respective hampers, the girls create a flavorful addition for their meals.

Reasoning:
- The friends are dissatisfied with the taste of the food at their boarding school and long for more flavorful meals.
- They decide to take matters into their own hands by adding odds and ends from their hamper to enhance the taste of the Irish stew.
- By using a combination of ingredients from each of their hampers, they are able to create a unique blend of flavors that makes the stew more enjoyable to eat.

Importance of adding odds and ends from their hamper:
- The addition of odds and ends from their hamper adds variety and flavor to the otherwise bland Irish stew.
- It allows the friends to take control of their own dining experience and improve their meals.
- This act of resourcefulness and creativity demonstrates their ability to find solutions to their problems and make the most out of their limited resources.

In summary, the friends in "The Friends" add odds and ends from their hamper to give flavor to the Irish stew. This act of resourcefulness and creativity allows them to enhance the taste of their meals and take control of their dining experience.