Answer:
c. must use Braille for reading.
Explanation:
Braille is used by blind people. It is a written language for visually impaired people that works as a system of raised dots felt by the fingertips. For a visually impaired or blind person to be able to read, he makes use of the braille system. The braille system was invented by Louis Braille, a French man that lost his eyesight in an accident during his childhood in 1824
