Which of the following best describes why chronic hepatitis is sometimes referred to as a "silent killer"?

• A. Most patients with chronic hepatitis remain symptomatic throughout their lives.
• B. It often presents with severe symptoms, leading to a rapid diagnosis.
• C. Treatment options are limited, leading to a poor prognosis.
• D. Most patients remain asymptomatic and, hence, unaware of their illness.

Answer: (D)