15. Word of mouth is an effective way of marketing. Marketers can make increase word of
mouth by:
(A)Mail
(B)Stop people on the street
(C)Supply key people with product samples
(D)Put posters up on walls
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統計: A(4), B(1), C(13), D(4), E(0) #2320788
統計: A(4), B(1), C(13), D(4), E(0) #2320788