It isn't simile, because there is no comparison to anything, and it isn't ironic.
Answer:
Mark Twain was fond of condemning lying by saying, "If you tell the truth, you don’t have to remember anything."
Explanation:
Quotations are usually used with a colon after a sentence. However, they can also be introduced with a comma when there is an introductory phrase before it, such as <em>by saying</em>. On the other hand, when the quotation is introduced in the sentence, the comma is not necessary, like the first sentence.
Because if you just say sand it’s gonna sound plane but if you describe it’s it helps the reader imagine what they’re reading
I think the answer is of D