How do the details about the history of scoliosis treatment in “This Is Spinal Fusion” relate to the memoir’s theme? A. They show that the more people understand a disease, the more likely they are to discriminate.

B. They mirror the author’s progression from fear and embarrassment to understanding and hope.

C. They demonstrate the cruelty and injustice of scientific experimentation on suffering human beings.

D. They show that, throughout history, scoliosis has always been treatable in one way or another.