In South Carolina, under what circumstance is it legal to carry a concealed weapon without a permit?

In South Carolina, individuals are legally allowed to carry a concealed weapon without a permit inside their own home or business. This means that carrying a concealed weapon without a permit is not legal in other circumstances, such as while engaging in sports (option A), when traveling to and from work (option B), or at public gatherings (option D). It is important to note that carrying a concealed weapon without a permit in any place other than one's own home or business is not allowed and can result in legal consequences. Therefore, the correct answer is option C.