You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?（）.

A. Discharge a cylinder of nitrogen into the container
B. Shade the container and periodically hose it down
C. Seal any ventilation openings and add dry ice
D. Spread ice over the top layer and in any voids within the container