It is simply saying that all is now in chaos. I am assuming the part that is confusing is "the quiet sands have run." It could easily be alluding to the way that during a sandstorm, the calm sands of the surface are no longer there as the chaos of the storm casts them about.
They would have multiple problems and or moods
C, it’s the only one that relates to the claim.
The resolution is what ties up all the loose ends at the end of a story, such as what happened to a specific character.
Answer:
"I put on my PLAID bathrobe..."
"was covered in DENSE fog."
"As I was trying to PROD the window closed..."
"I thought of the THREAT of..."
"...full of DREAD."