Final answer:
In Verdi's opera 'La Traviata', Violetta is a high class prostitute who is involved in a tragic love affair with a young nobleman.
Step-by-step explanation:
In Giuseppe Verdi's opera La Traviata, the character Violetta Valéry is C) High class prostitute. The opera, which is a classic example in the operatic canon, tells the poignant story of Violetta, a courtesan of high society in Paris. It details her tragic love affair with Alfredo Germont, a young nobleman. Violetta, while esteemed for her beauty and charm, is gravely ill with tuberculosis, which ultimately leads to her heart-wrenching demise. This opera is renowned for its exploration of love, sacrifice, and societal norms of the 19th century.