【单选题】听力原文:W: So you know what the White Lane Law is? M: In the United States, each state has a law that says blind people using canes or dogs have the same rights of public access as the sighted. W: What d...
A.
To make sure that blind people have the same rights as everyone else.
B.
To provide the blind with a white lane for cross a street.
C.
To encourage people to volunteer to help the blind.
D.
To draw attention to the blind with a cane or a dog in crossing the street.