[单项选择]

B
For many years, no one could communicate with people who had been born without hearing. These deaf people were not able to use a spoken language.
But ,beginning in the 170Os,the deaf were taught a special language. Using this language, they could share thoughts and ideas with others. The language they used was a language without sound. It was a sign language.
How did this sign language work The deaf were taught to make certain movements using their hands, face, and bodies. These movements stood for things and ideas. People might move their forefingers across their lips. This meant," You are not telling the truth. "They might tap their chins with three fingers. This meant "my uncle".
The deaf were also taught to use a finger alphabet. They used their fingers to make the letters of the alphabet. In this way, they spelled out words. Some deaf people could spell out words at a speed of 130 words per minute.
Sign lan
A. deaf people made signs to earn a living
B. there is still no way to communicate with the deaf
C. sign language helped the deaf learn to read
D. many deaf people now can speak

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