All of the following were the company's successful examples of advertising except that ______.
A.
the company distributed complimentary tickets for people to drink a glass of Coke free of change
B.
the company flew an airship over Washington DC with a huge Coke sign on its side
C.
the company sold the rights to bottle coke to franchisers in every part of the united States
D.
the company set up along Pennsylvania Railroad line huge animated signs that showed a young man drawing a glass of coke from a crockery urn