Juleeeeeeeeeeeeeeeeit and roooioooommmmeeeeeooo
The correct answer is ( A )
This article is about an invention called ReWalk uses robotic pants with sensors and motors to allow people in wheelchairs to walk. The other statements (B), (C) and (D) are secondary ideas which expand the main concept or thesis statement.
"Anyone who wears their hair like that is a f reak." The f, reak should be mixed together.
Maybe A. The mood gives a piece of writing its personality :)