In Scotland, people celebrate 'Hogmanay' on New Year's Eve, which often involves 'first-footing' – being the first person to cross the threshold of a friend's or neighbor's home after midnight, bringing symbolic gifts like coal for warmth. This tradition emphasizes:
A) Isolation and solitude.
B) Modern technology and digital communication.
C) Community, goodwill, and hospitality.
D) Economic competition and rivalry.
E) Personal gain and individual achievement.