To answer this question, the user needs to have knowledge about French culture and etiquette. In France, the person who invites or hosts the meal is generally expected to pay for it. Therefore, option C is the correct answer.
Option A: This option is incorrect because in France, it is not common for everyone to share the cost of a meal equally. The host is usually the one who pays.
Option B: This option is incorrect because guests are generally not expected to pay for their meals when dining in someone's home or in a restaurant.
Option D: This option is incorrect because someone must pay for the meal in France. It is considered impolite to not offer to pay or to split the bill with other diners.