Which beverage is associated with the abbreviation GT?

The beverage commonly associated with the abbreviation GT is Green Tea. This abbreviation is widely recognized in various contexts, including cafes and restaurants, where "GT" succinctly refers to this popular tea option. Green Tea is known for its health benefits and refreshing taste, making it a staple on beverage menus, particularly at establishments like Dunkin Donuts.

The other beverage options do not typically use the abbreviation GT in the same way Green Tea does. For example, Ginger Tea would more likely be abbreviated as "Ginger Tea" or something similar. Grapefruit Tea and Go Green Tea, while they are creative names for specific tea blends, are not standard abbreviations recognized in the beverage industry. Thus, Green Tea stands out as the most accurate and recognizable association for the abbreviation GT.