PART A: Which statement best expresses the central idea of the text? A. The immune system does more harm than good when it’s fighting the flu because of the life-threatening symptoms it can cause.
B. The influenza virus brings about many uncomfortable sensations in the body as it slowly spreads to more cells.
C. Much of the discomfort that people feel when they’re infected with influenza virus is from their immune system’s attack on the infection.
D. While the influenza virus causes painful symptoms throughout the body, the immune system releases cells that soothe the damage that it has been done.