Identify the correct molecular picture showing what happens at the critical micellar concentration $(CMC)$ of an aqueous solution of a surfactant $(\circ \text{ polar head; } \sim \text{ non-polar tail; } \bullet \text{ water})$.

  • A
    $(A)$
  • B
    $(B)$
  • C
    $(C)$
  • D
    $(D)$

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