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

D