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.
Monica and Troy open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Monica wanted broccoli in her lunch and Troy was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Monica and Troy trade to each get what they want?
A. Monica can trade her tomatoes for Troy's broccoli.
B. Troy can trade his almonds for Monica's tomatoes.
C. Troy can trade his broccoli for Monica's oranges.
D. Monica can trade her tomatoes for Troy's sandwich.
Select the correct answer from the provided options and reply with the letter associated with it.

A