Which of the Following Is an Example of Publicity

Which of the following is an example of publicity?

A) Neon Power,a manufacturer of electronic goods,uses its salesforce to sell directly to its customers.
B) Silky Blue,an apparel store,announces huge discounts on its products for the year-end sale.
C) The Blue Bird,a daily newspaper,publishes a review about the latest model car from Storm,a car manufacturing company.
D) Neil's Food Factory,a manufacturer of food products,relies largely on paid-for advertisements on television for its products.