What inference can be made about the narrator? A. The narrator is observant of the changes happening within the family. B. The n
arrator feels her grandfather has abandoned the family. C. The narrator is frustrated by the change in her grandfather’s behavior. D. The narrator wishes her grandfather was well enough to play with her.
On the research team of the eminent virologist Dr. Thomas Francis, who was working on a flu vaccine, was a young physician<span> named Jonas Salk.</span><span> </span>