Final answer:
Hepatitis is the inflammation of the liver with necrosis of hepatocytes and can be caused by several factors including viruses, making it the correct answer to the question.
Step-by-step explanation:
The condition described in the question, which is inflammation of the liver with necrosis of hepatocytes and swelling due to a mononuclear response, is known as hepatitis. Hepatitis is a general term for inflammation of the liver, and it can be caused by a variety of factors including viral infections from hepatitisviruses A, B, C, D, and E, autoimmune disorders, poisons, and hereditary conditions. Hepatitis B, in particular, is caused by the hepatitis B virus, which can lead to chronic liver issues and increase the risk of liver cancer.