What is the significance of the discovery of insulin by Sir FrederickBanting and Charles Best？
选项：
A: Insulin is a hormone that permits you to eat anything you wish.
B:Insulin has saved 16 million lives worldwide．
C:Discovering insulin opened the doors to more discoveries.
D: Discovering insulin made Drs. Banting and Best famous.
发布时间：2024-05-18 20:56:59
