**Core Concept**
The question is testing knowledge of the alcohol content in various beverages, specifically the percentage of alcohol by volume (ABV) in different types of drinks.

**Why the Correct Answer is Right**
To determine the beverage with the maximum percentage of alcohol, we need to consider the typical ABV of various drinks. Some beverages, such as spirits, have a higher ABV than others, like beers and wines. Spirits like whiskey, rum, and vodka typically have an ABV between 35% and 50%. However, some types of spirits, like absinthe, can have an ABV as high as 75%.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because beers typically have an ABV between 4% and 6%, which is significantly lower than the maximum percentage found in spirits.

**Option B:** This option is incorrect because wines typically have an ABV between 8% and 14%, which is lower than the maximum percentage found in spirits.

**Option C:** This option is incorrect because cocktails are a mixture of different beverages, and their ABV can vary widely depending on the ingredients and proportions used.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that the ABV of a beverage can vary depending on the country, region, or even specific brand, so it's always a good idea to check the label or consult with a medical professional if you have concerns about alcohol consumption.

**Correct Answer:** C. Absinthe