Our online behaviour is part of our daily life. There are plenty of uses for the internet nowadays. Internet users have an online identity. According to the usage they give to the internet and especially the social networks they might have a formal or informal and casual identity. Someone who uses the internet for social reason only usually have an informal and casual identity because it helps to interact with other people.
My guess would be C; because your family road trips are annual (once a year) meaning there would multiple to discuss, while all other options are single-time events. Hope this helps!
