A. hot tubs and friends
In advertisements, the creators of the ad want to entice the audience by communicating pleasurable, desirable, and otherwise happy experiences and ideas. Thus, because heavy snowfall and the sad fate of snowflakes are not universally pleasant thoughts, and because the elevation of mountains is only a neutral idea, we can deduce that none of these are what the creators intended viewers to focus on. Because friendship and the warmth of a hot tub in the winter, however, are generally pleasant notions, this is most likely what the creators most likely intend the viewers to focus on.