C. On several occasions.
Because they are telling you information based on a claim, informing you why. It is evidence, therefore an example.
Explanation:
so ur looking for the definition of those word?
<span>The correct answer is A. The period is used only at the end of a sentence and is considered to give finality to a given sentence, providing a stopping place. The comma, apostrophe and quotation marks each provide a different functionality, and are used internally in a sentence. The comma is used to separate words. The apostrophe is used to indicate possessiveness. Quotation marks indicate a direct quote from a person.</span>
