Context: Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Belle and Martha open their lunch boxes in the school cafeteria. Neither Belle nor Martha got everything that they wanted. The table below shows which items they each wanted:

Look at the images of their lunches. Then answer the question below.
Belle's lunch Martha's lunch
What can Belle and Martha trade to each get what they want?
A. Martha can trade her broccoli for Belle's oranges.
B. Belle can trade her tomatoes for Martha's broccoli.
C. Martha can trade her almonds for Belle's tomatoes.
D. Belle can trade her tomatoes for Martha's carrots.
Select the correct answer from the given choices and respond with the letter of the chosen option.

B