Final answer:
The statement that all wines can be upgraded to a Long Pour for an additional fee is not necessarily true for every establishment, as upgrade policies vary based on several factors. The correct option is a.
Step-by-step explanation:
Whether all wines can be upgraded to a Long Pour for an additional $3.50 depends on the specific business policy of the establishment serving the wines.
It's not universally true for every restaurant, bar, or wine-serving venue. Some wines, due to their rarity, quality, or pricing structure, may not be subject to this kind of upgrade.
Other venues might offer such upgrades as incentives or part of a customer loyalty program. It's essential to check with the establishment for their specific upgrade policies regarding wine servings. The correct option is a.