Why Do Japanese Advertisers Frequently Use Clowns or Children to Make

Why do Japanese advertisers frequently use clowns or children to make imperative commands like "Drink Coke" in advertisements?

A) because in Japanese society,people must be careful of the linguistic forms they use in conversation
B) because Japanese actors wish to avoid being associated with the promotion of products not made in Japan
C) because the Japanese take a sociocentric view of the self,and therefore must acknowledge the social usefulness of children and even clowns
D) because children and clowns are seen as the most innocent members of society and devoid of ulterior motives that would raise suspicions among consumers