听力原文： About one-hundred-thirty-five million people around the world have diabetes. They have high levels of the sugar called glucose in their blood. Glucose levels increase when the body lacks or cannot use the hormone insulin. This results in diabetes. The disease damages blood vessels. It injures the kidneys, eyes and nerves. It stops blood flow to the feet and legs. And it increases the chances of heart disease and strokes.
There are two kinds of diabetes. Type One develops in children or young adults. Type Two develops in older adults. The new study involved Type Two diabetes.
Which of the following items may not be injured by diabetes？

A. Kidneys
B. Nerves.
C. Ears.
D. Eyes.