Which of these is the correct sequence from simple to more complex?

A) Chromatin,carbon,nucleotide,nitrogenous base,DNA
B) Carbon,nitrogenous base,nucleotide,chromatin,DNA
C) Chromatin,DNA,nucleotide,nitrogenous base,carbon
D) Carbon,nucleotide,nitrogenous base,chromatin,DNA
E) Carbon,nitrogenous base,nucleotide,DNA,chromatin