Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct  answer to each of the following questions.

The first school for blind, deaf and mute children in the Tibet Autonomous Region celebrated its first anniversary on Friday. The school is built in the eastern suburb of Lhasa, capital of Tibet, and is designed to hold 200 students. It covers 20,000 square meters.The school curriculum includes Braille and sign language training, Tibetan, mathematics, writing, ethics training, physical education, arts, handicrafts, speech and walking courses. At the celebration, the audience was touched by a silent song expressed by the students with sign language. BaibaToinzhub, a 10-year-old blind child, can speak fluent Chinese and is good at singing and dancing. He told the visitors that life in the boarding school was comfortable.

  What type of students attend the school?