根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项是多余的选项。
Have you ever found it difficult to understand a text or express your own idea? In fact, someone who always comes across these kinds of problems may have learning disabilities. Today we begin a series of programs about learning disabilities. These are disorders in the ways that people understand or use language. They can affect the ability to listen or think, or to speak or to read and write. They can also affect the ability to do mathematics. ____
(1) ______Researchers believe that learning disabilities are caused by differences in the way that the brain works with information. They say children with learning disabilities are unintelligent or do not want to work. _
(2) ___
Researchers say that as many as one of every five people in the United States has some kind of learning disability. Almost three-million children in the United States receive some kind of help in school for a learning disability.
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(3) _____Experts look for a difference between how well a child does in school and the level of intelligence or ability of the child. But there is no one sign of a disorder. A few signs of learning disability include not connecting letters with their sounds or not understanding what is read. A person with a learning disability may not be able to understand a funny story. They may not follow directions. They may not read numbers correctly or know how to start a task.
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(4) _____One person may have trouble understanding mathematics. Another may have difficulty understanding what people are saying. Still another may not be able to express ideas in writing. These different kinds of learning disabilities are known by different names. For example, a person who has difficulty reading may have dyslexia(诵读困难症)。
Experts say learning disabilities cannot be cured. __
(5) _____Teachers and parents can help young people with learning disabilities to learn successfully.
| A．Different people have different kinds of learning disabilities. |
| B．Their brains just process information differently than other people. |
| C．People with learning disabilities have difficulty in communicating with others. |
| D．But people who have them can be helped. |
E. However, practice can really make perfect.
F. A person with a learning disability has unusual difficulty in developing these skills.
G. How can you tell if someone has a learning disability?