Answer the following question: China is a country with a large number of disabled persons. Almost 60 million people have vision, hearing, speech, limb, intellectual or mental disabilities. There is one disabled person in every 20 Chinese, and one out of every five households on average has a disabled family member. According to nationwide surveys of the disabled children under 14 account for 16 percent of the total disabled population, and they display the greatest need for rehabilitative training as they display the highest recovery rates after early treatment. Those disabled between the ages of 15 and 59 account for 44 percent, but often their disabilities are not very serious. Although they are more or less able to work, they require vocational training, cultural education and special employment. The disabled over 60 years of age account for 40 percent. Many of them become disabled due to illness or loss of various functions. Some live alone without any income, and therefore their insurance, rehabilitation, and medical needs have become a social issue. The illiterate and semi-illiterate suffer from limited employment opportunities, and often they become socially disabled as well. These people, often neglected , pose another social problem. According to the passage, "disabled people" refers to_. A) those who are physically disabled B) those who are mentally disabled C) those who are socially disabled D) all of the above
Answer:
D