Which of these is the BEST thesis for a student's reflective essay? A. This essay will share my experience of what it's like to have a brother with autism. B. Rates of autism have been on the rise in recent decades; although many theories on its causes exist, the jury is still out. C. Autism is a mysterious neurological disorder affecting people to different degrees along a spectrum ranging from severe to mild. D. Having a brother with autism is a mixed blessing; even though I'm sometimes resentful, I've learned a lot about love, patience, and myself.