What is the central idea of "World War One's role in the worst
ever flu pandemic"?
O A. Conditions at American military bases were poor.
O B. Isolating people infected with the flu would have
minimized its spread.
O C. Worldwide shifts during World War I contributed to
the 1918 flu pandemic.
O D. Many people survived the 1918 flu pandemic due to
advanced in science and medicine.