Given the figure, select the correct order of nested genetic structures. A B C Item B is nested in Item C$,$ which is nested in Item A$.$ Item C is nested in Item B$,$ which is nested in Item A$.$ Item A is nested in Item B$,$ which is nested in Item C$.$ Item A is nested in Item C$,$ which is nested in Item B$.$ Item B is nested in Item A$,$ which is nested in Item C$.$ Item C is nested in Item A$,$ which is nested in Item B$.$