That is because limestone is a sedimentary rock and the calcite is a carbonate mineral, by logical deduction, the analogy is pretty much describing what the first and third words are.
So, in the end, a limestone is a rock and calcite is a mineral.
I just had this quiz a couple days ago on a school website! the answer is mineral. Since Limestone is a type of rock Calcite is a type of mineral this analogy is item/category
The answer to fill in the blank would be B) Thesis statement because the thesis is like the message the author is trying to send to his readers so they can comprehend his or her text.
