Answer:
C. to urge people to help the orphans by participating in the charity run
Explanation:
Persuasive essays are meant to gain readers’ support or drive them to action. In this case, Mila’s aim is to motivate her readers to run the race. So the purpose of the essay is to urge readers to help the orphans by participating in the charity run.
How are we supposed to know.
The answer i would choose is c :)