The treatment is expected to prolong the time that organs remain healthy in patients’ bodies and also increase their shelf-life（保存期限），so they can be stored for longer or transported further before being used. What is the purpose of the drug treatment mentioned in the paragraph?
选项：

A:To make a big profit from the new drug
B:To reduce the risk of operations.
C:To prolong the shelf-life of transplants
D:To help patients save money