Answer:
A
Explanation:
Why the others are incorrect:
B: The comma isn't really introducing anything, it's just breaking the sentence up from the speaker.
C: There isn't any need for a comma between beginning and with
D: There isn't any need for the commna between are and math.beginning
Abhominaton, abhor, abhorred.
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.
