Sadie was using a metal spoon to eat her soup and her spoon became hot. Which correctly describes the process that caused the spoon to become hot?
A. Convection, since hot air currents increased the temperature of the spoon.

B. Conduction, since hot air currents increased the temperature of the spoon.

C. Convection, since the spoon was in contact with the hot soup.

D. Conduction, since the spoon was in contact with the hot soup.