Question

this road sign means
options: crossing not permitted, business district, stay on sidewalk, school crossing
(image of a yellow diamond - shaped road sign with two pedestrian figures crossing a road)

Explanation:

The road sign shows figures of people (likely children with an adult) crossing, which is characteristic of a school crossing sign. The other options: "crossing not permitted" would have a different symbol, "business district" and "stay on sidewalk" don't match the pedestrian - crossing - with - school - like - figures imagery.

Answer:

school crossing