Final answer:
Metal tools were not traded during the Columbian Exchange.
Step-by-step explanation:
The item that was NOT traded during the Columbian Exchange was D. metal tools.
During the Columbian Exchange, which was an exchange of plants, animals, and diseases between Europe and the Americas, many items were introduced to the Americas by Europeans. Some of the items traded included wampum, glass beads, and copper kettles. However, metal tools were not introduced by Europeans during this exchange.