In Which of the Following Orientations of Liquid Crystals, the Molecules

Multiple Choice

In which of the following orientations of liquid crystals, the molecules are directionally oriented and stacked in a helical pattern, with each layer rotated at a slight angle to the ones above and below it?

A) Critical phase
B) Nematic phase
C) Metastable phase
D) Smectic phase
E) Cholesteric phase