A. To do whatever he wants them to do.
A sentence fragment is a sentence that is incomplete, one that is separated from the main claus. In this case "To" is a preposition, which means that there should be more to the sentence. You can tell because you can't fully understand the idea behind the sentence. Therefore A, is the fragment.
Europe is an existing place to visit, it is of historical landmarks.
Visit Europe it is an existing place to full of historical landmarks.
They offer other physical benefits, They exercise the brain
To start, recent studies completed by several noted research and scientific organizations have proven that playing video games could help improve the quality of life for the disabled and mentally ill, Video Game Brain Study Specifics, They help with real world problem solving, They exercise the body, They offer other physical benefits
From another physical perspective, video games can improve your eyesight.
Scabbards were historically, albeit rarely, worn across the back with the intention of being quickly unsheathed, but only by a handful of Celtic tribes, and only with very short lengths of sword.<span>This is because it is almost impossible to draw any true two-handed sword and extraordinarily difficult to draw the majority of one-handed swords from a scabbard on the back.</span>