The correct option is
A A special type of script that is used by people who cannot see.
- Braille is a tactile writing system used by people who are visually impaired. It is traditionally written with embossed paper.
- Braille users can read computer screens and other electronic supports using refreshable braille displays.
- They can write braille with the original slate and stylus or type it on a braille writer, such as a portable braille notetaker or computer that prints with a braille embosser. Hence, the Braille script is A special type of script that is used by people who cannot see.
So, the correct answer is ' A special type of script that is used by people who cannot see.