GRE Logical Reading: ETS-GRE逻辑单题ETS - T7BNA406R1R1469VJ$

Which of the following would be most important to know in evaluating the accuracy of the statement above? A. The incidence of pneumonia death as evidenced by mummies from other continents. B. Whether people, 3,000 years ago had any conception of the disease pneumonia. C. Causes of death, other than pneumonia, apparent in the mummies studied. D. The general incidence of disease in South America 3,000 years ago E. If the mummies were representative of the South American population of their time.