Which of the following represents the order of increasingly higher levels of organization of chromatin?

A)nucleosome, 30-nm chromatin fibre, looped domain
B)looped domain, 30-nm chromatin fibre, nucleosome
C)looped domain, nucleosome, 30-nm chromatin fibre
D)nucleosome, looped domain, 30-nm chromatin fibre
E)30-nm chromatin fibre, nucleosome, looped domain