"C. <span>With a lot of daily practice" would be the only option from the list that is a sentence fragment, since there is no subject and it is unclear what exactly is being referred to. </span>
In a free market, capitalists would reinvest in new business ...
Paul Revere (a silversmith) used his profession as a mean of protest in the 1760s by creating engravings to promote colonial protests. (he created engravings to promote colonial protests.)
"mi casa es tu casa" is how you spell it
The kkk is a cult that go out and kill people who treat their family poorly, and they dress in all white with semi-pointy hats