The answer is C.
The author provides different facts. For instance, "Unlike normal rocks, they have trails etched behind them as if they have traveled across the sand. Some trails are only a few feet. Some trails are over a half a mile long." Is an example of a fact.
Another example includes, "Some rocks seem to roll as they move forward. Some take unexplainable routes. Large ones have traveled past small ones that have stayed still."
I'm leaning more towards B, to help the reader visualize Mrs. Sommers setting herself apart from the more crowded bargain area of the store, but just to be sure, check your text to get context clues and a definitive answer.
The answer is D.
Telemachus does not wish Odysseus' identity to be revealed to his mother. Thus, he sends her away at an opportune moment, realizing she's getting a bit too big for her britches. He does not want his mother influencing the events to come in any way.
A reversible fabric of linen, silk, cotton, or wool, woven with patterns.