A series of 8 bits. and I'm just gonna type now because I need 20 characters.
Answer:
I believe it is only C.
Explanation:
"Kushti is the sacred girdle worn by Zoroastrians around their waists."
Please forgive me if I am wrong, but I hope this helps.
The only other thing I can thing of is a Tekhelet in Judaism but it is oftenly hung from things, not wore around their waists.
The author might begin like a fairy tale.... " A long, long time ago, when ....