Read this excerpt from "one flu over the cuckoo's nest." the flu is caused by a family of influenza (flu) viruses. some are more deadly than others. over the past few years, a strain of bird flu viruses has infected a small number of people in asia. although the virus did not spread easily from person to person, it was deadly to those who became infected. in 1918, a similar but fast-spreading flu killed over three percent of the world’s people. about 500 million people were infected, with more than 1 in 10 dying of the disease. it was the world’s most severe epidemic. how does the author emphasize the main idea in this text? by providing evidence about the flu by asking a study question about the flu by requiring a conclusion to be drawn about the flu by providing additional resources about the flu