Question

Who is not a pedestrian?
A: person on foot
B:person on bicycle
C: person in a wheelchair
D: both b and c are correct

Answer 1

The answer to this is B because when someone is in a wheelchair they have to take the crosswalk because well they are in a wheelchair, they are injured. With the bicycle you can use a bicycle lane on the streets. 

Answer 2

C: person in a wheelchair or d:b and c