Final answer:
Research indicates the most likely initial conversation topic for people who just met is superficial topics because it allows for a non-intimidating start and helps establish a basic comfort level between the individuals.
Step-by-step explanation:
Based on research findings, when two people have just met for the first time, the most likely first topic of conversation between them is C) Superficial topics. This is because when individuals first meet, they often engage in light and non-controversial subjects to ease into the conversation and establish a basic level of comfort. Such topics can include comments about the weather, the current event they are attending, or other neutral subjects that do not require sharing personal information. This approach allows both parties to feel out the conversation and decide if they want to delve into more personal or deeper topics, like personal experiences, common interests, or future plans.