In nanomaterials production, according to Aufbau principle the self-assembly of complicated structures takes place in a hierarchical fashion in the following sequence:
(A) the linear chains are bundled to form two-dimensional monolayers
(B) single molecules join up to form linear chains
(C) a finite number of independent molecules
(D) the two-dimensional monolayers are stacked to form the final three-dimensional crystal
Choose the correct answer from the options given below: