Mali's school is encouraging students to identify a problem in their community that needs to be addressed and then contact the appropriate people in charge to suggest a solution. Mali is concerned about the excessive trash build-up around the trash cans at her neighborhood park. All of the following would be effective ways for Mali to address this issue EXCEPT

A. call the waste department to ask for additional trash pickup at the park
B. send an email to the sanitation director requesting clean up at the park
C. start a petition to organize more trash cans being placed at the park
D. write a letter to the park director about allowing fewer people to use the park