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.
The answer is B)<span>Walking is an easy and safe exercise for beginners. The paragraph is explaining that walking doesn't need much fancy equipment and that it is something easy for beginners.</span>
It “swung people to the idea of drinking recycled water”...
Monstrous - hideous
Savage - bestial
Sylvan - wooded
Mellifluous - soothing sound
