Which of the following statements about Slavonian oak is true?

Slavonian oak, known for its unique characteristics, is indeed commonly used for aging Barolo, which is a prestigious red wine from Piedmont, Italy. This type of oak is characterized by its fine grain and ability to impart subtle, complex flavors and aromas to the wine without overwhelming it, making it a favored choice among winemakers producing Barolo. The gentler extraction of flavors from Slavonian oak complements the rich tannins and acidity of Barolo, allowing the wine to age gracefully while enhancing its complexity.

Given its compatibility with the flavor profile of Barolo, this choice reflects the tradition and winemaking practices in the region. Slavonian oak tends to contribute notes of spice, vanilla, and sometimes herbal qualities, which can enhance the complexity of Barolo without imparting overly aggressive or dominating flavors. This results in a harmonious balance that is celebrated in high-quality red wines.

The other options suggest characteristics of Slavonian oak that do not align with its recognized uses or effects in winemaking. For example, the idea that it imparts aggressive flavors or is suitable only for light-bodied wines does not accurately reflect its role, and the notion that it cannot be used for red wines overlooks its established use in producing some of Italy's finest reds.