Which sentence from the text BEST demonstrates the fact that the family had prepared for this type of emergency?

A.

"You all know the drill."
B
.

By now, the wind was propelling the cold rain horizontally and relentlessly.
C.

"It's time to move out."
D
.

The rain had let up even more, and I buried myself in my blanket, waiting for sunrise and my dad's approval—both of them slow in coming.