A class is performing an experiment to keep an ice cube solid as long as possible. Which student's actions could be a source of error in this experiment?

A. Jerrie wrapped the ice cube loosely in several layers of cotton and aluminum foil.

B. Jody outlined the ice cube to measure it before it started to melt.

C. Carey put the ice cube in cold water and recorded the temperature every 2 minutes as the ice cube melted.

D. Angelina waited until the next day to observe the ice cube and O record how long it took to melt.