achieve greater freedom of movement,which he believes will give
them greater access to education and jobs.The canes are already
having an impact on users,Ceylan says.He recently received an
email from a teacher in Ireland who had become blind as an
adult.He had been depressed and housebound.But since getting
a WeWalk cane,the device has kept encouraging him to go out.
It became his anti-depressant.
29.Why is a story about Kursat Ceylan given at the beginning of
the text?
A.To tell people how he became blind.
B.To show why he invented WeWalk.
C.To indicate people's coldness to the blind.
D.To show he is positive and humorous.