You need to create a task which leveling will not change

You are a project manager for a company that uses Project Professional 2013. You are developing a
schedule and plan to use the leveling order of Priority, Standard. You need to create a task which
leveling will not change. What should you do?

A.
Set task priority to 100

B.
Set task priority to 1000

C.
Set task priority to 0

D.
Set task priority to 1