The advertising medium which combines sight and sound is the

Explanation

The correct answer is Option B: Television. Television is a medium that allows advertisers to convey their messages using both sight and sound. Through television commercials, companies can showcase their products or services using visual images and audio effects. This combination of sight and sound is powerful in capturing the attention of the audience and effectively delivering the advertising message.

Radio, on the other hand, only relies on sound to convey messages. Print media, such as newspapers and magazines, primarily uses text and images without sound. Posters are static visuals without any accompanying sound or motion.

Therefore, in terms of combining sight and sound, television is the advertising medium that best fits this description.