Igive 21 +! quicksand can be frightening until you understand how it works. describe something that seemed scary to you until you learned more about it.

There was a noise in my closet one night and it creeped me out. It scared me until I told myself that it might not be so scary if I checked it out. When I got to the closet, my heart pounding, I realized that it was just a book that had fallen off the shelf. 

You could write about a fear you may have had as a child, eg. the dark, or underneath the bed, etc...

Rethink and reinvent

The answer for this question is d. none of these