Which detail from the article BEST supports the conclusion that dreams help us work through things we're worried about?

A
The idea is that once "you've experienced it, you're less afraid of the reality, which is almost always less scary than whatever your brain has cooked up in your sleep," said Robb.
B
"So your brain is sort of tightening the connections that you've made recently. It's sorting through memories and figuring out what's going to go into your long-term memory, what's not important and we're going to get rid of," said Robb.
C
Try keeping a dream journal, for instance, as one way to be more conscious of all the wacky things that flit through your brain while you're sleeping.
D
"If you want to understand what those dreams mean to you, you have to pay attention to your own patterns," said Robb.