【2016高考训练】阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
Close your eyes for a minute and imagine what life would be like if you had a hundred dollars less.Also imagine what it would be like spending the rest of your life with your eyes closed.Imagine having to read this page，not with your eyes but with your fingertips.
With existing medical knowledge and skills，twothirds of the world's 42 million blind should not have to suffer.Unfortunately，rich countries possess most of this knowledge，while developing countries do not.
ORBIS is an international nonprofit organization which operates the world's only flying teaching eye hospital.ORBIS intends to help fight blindness worldwide.Inside a DC8 aircraft，there is a fullyequipped teaching hospital with television studio and classroom.Doctors are taught the latest techniques of bringing sight back to people here.Project ORBIS also aims at promoting peaceful cooperation(合作) among countries.
ORBIS tries to help developing countries by providing training during threeweek medical programs.ORBIS has taught sightsaving techniques to over 35,000 doctors and nurses，who continue to cure tens of thousands of blind people every year.ORBIS has conducted 17 plane programs in China so far.For the seven to ten million blind in China，ORBIS is planning to do more for them.At the moment an ORBIS team is working on a longterm plan to develop a training center and to provide eye care services to Shanxi Province.ORBIS needs your help to continue their work and free people from blindness.
