the author of my brothers keeper mainly develops jamies character through

Question

A. his actions
b.dialogue and thoughts
c.the narrators description
d.others reaction to him

Answer 1

I haven't read this book, but this summary may help you.

http://www.discoverymedicine.com/Benjamin-Yang/2009/06/20/book-summary-his-brothers-keeper-a-story-from-the-edge-of-medicine/