Melissa Saw an Ad Promoting Vermont as a Tourist Destination

Melissa saw an ad promoting Vermont as a tourist destination and a great place to live.The ad contained a postage-paid reply card that could be used to request more information.In terms of the communication process,mailing in the postcard with a request for further information is an example of

A) a stimulus.
B) a field of experience.
C) a response.
D) noise.
E) a feedback loop.