A Paid Advertisement for the Texas Department of Economic Development-Tourism

A paid advertisement for the Texas Department of Economic Development-Tourism Division invited readers of a magazine to mail in a postage-paid reply card that was included with the ad, visit the state's website, or use a toll-free number to request more information about vacation destinations in Texas. The primary purpose of this ad was

A) direct order fulfillment.
B) to make a public service announcement.
C) indirect order generation.
D) lead generation.
E) digital communication.