Please help no files What quotation indicates that the author’s purpose is to justify actions in an intolerable situation?

“We tried to reason with her, more to calm ourselves, to catch our breath, than to soothe her.”
“But it was all in vain.”
“It was as though madness had infected all of us.”
“A few young men forced her to sit down, then bound and gagged her.”

In a series of experiments, hershey and chase radioactively labeled dna and protein in viruses and then used labeled viruses to infect bacteria. hershey and chase's experiments definitively showed that a. dna and not protein is the genetic material. b. dna and protein work together as a cell's genetic material. c. protein and not dna is the genetic material. d. neither dna nor protein act as a cell's genetic material