I think false..you need to grasp their full attention..so you should use your first most important reason..to fully grasp their attention. Hope this helps!!
B is a fact because it's just one point, whereas A, C & D are a point with an explanation- more likely a persons opinion.
Hope this helps!!
The correct option is D.
The statement in option D reveals that the youthfulness which the four old people gained was very momentarily, it soon passed away and they were back to square one.
