The National Asphalt Pavement Association (NAPA)announced That Staker & Parson

The National Asphalt Pavement Association (NAPA) announced that Staker & Parson Companies won an Award for Rocks Build Our World,an outreach program for elementary schools.The Rocks Build Our World program includes both group tours of the company's corporate office facility and classroom visits targeted at fourth graders.The classroom visits start with some basic information on geology,mining methods and the uses of minerals in everyday life.Which PR tool did Staker & Parsons use?

A) Press agentry
B) Sales promotion
C) Community involvement
D) Societal advertising
E) Advocacy advertising