Which of the following pieces of evidence would best support an argument in favor of a teen curfew? (update i took the test already and it's not B)

A: An interview with a parent who thinks teen curfews are a good idea
B: An online poll of community members who would like to see a teen curfew established
C: A newspaper article describing reduced crime rates in cities with teen curfews
D: A flyer posted in the school cafeteria encouraging students to support a teen curfew