Liu lives in a residential neighborhood where many families with small children live. She is concerned about the speed limit on the roads of her neighborhood. Children often play baseball out in the street, and she's concerned that a driver going too fast is a hazard to the children. What should be Liu's final step in attempting to encourage her community to lower the speed limits on the neighborhood roads?
Select one:
A. Talk to the children playing in the street about safety and mindfulness when they are playing.
B. Do research to determine which authority is in charge of the road signs and take down its contact information.
C. Ask her neighbors their views on the children playing in the street and the appropriate speed limits for the neighborhood roads.
D. Present to the appropriate authority a proposal detailing which streets are dangerous and what speed limits she recommends for the roads.