Hi A. Is the answer you need to make this sentence grammatically correct.
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.
First sentence is the central idea
We would take the <u>pail</u> full of wet sand, flip it over, and take it off to form a sand castle.
I think it's A) But it could Also Be D... Because people would want to read about the inuit culture So if not choose D (:Hope that helps