题目内容：
阅读下列短文，回答题。BThe word advertising refers to any kind of public announcement that brings products and
Services to the attention 0f people．Throughout history , advertising has been all effective way to promote(促进)the trading and selling of goods．In the Middle Ages，merchants ants employed “town criers” to read public messages aloud to promote their goods．When printing was invented in the fifteenth century , pages of advertisements(ads)could be printed easily and were either hung in public placesor put in books．
By the end of the seventeenth century , when newspapers were beginning to be read by more People , printed materials became all important way to promote products and services．The London Gazette was the first newspaper to set aside a place just for advertising .This was SO successful
that by the end of the century several companies started businesses for the purpose of making newspaper ads for merchants．
Advertising spread quickly throughout the eighteenth century．Ad writers were starting to Pay more attention to the design of the ad text．Everything，from clothes to drinks，was promoted with clever methods such as repetition of the firm’s name or product ,words organized in eye-Catching patterns，the use of pretty pictures and expressions easy to remember．
Near the end of the nineteenth century ,companies that were devoted to the production of ads Came to be known as“advertising agencies(广告商)．”The agencies developed new ways to get people to think of themselves as members of a group．Throughout the twentieth century,advertising agencies promoted consumerism(消费主义)as a way of life，spreading the belief that people could be happy only if they bought the“righ”products.What was advertising like in the Middle Ages? A．Merchants were employed to promote product
B．Ad messages were shouted out in public place
C．Product information was included in book
D．Ad signs were put up in town
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