The spanish flu would kill between 40 and 50 million people—more people [than] were killed in the war.

this pandemic affected everyone—and spread everywhere. outbreaks swept through north america, europe, asia, africa, brazil, and the south pacific. at one point, one-fifth of the entire globe was infected. .

so where did this killer flu come from? in 2005, researchers at the cdc announced that it had probably started off as a bird flu and then jumped to humans.

the author most likely includes this evidence to support the conclusion that

a) the spanish flu was a worldwide epidemic.
b) another worldwide flu like the spanish flu is possible.
c) another flu like the spanish flu is spreading worldwide.
d) the worldwide effects of the spanish flu had consequences.