A.Prestige advertising.
B.Institutional advertising.
C.Word of mouth advertising.
D.Distributing free trial products.
A.To sell a particular product.
B.To build up their reputation.
C.To promote a specific service.
D.To attract high-end consumers.
A.By using the services of large advertising agencies.
B.By hiring their own professional advertising staff.
C.By buying media space in leading newspapers.
D.By creating their own ads and commericais.