Identify the incorrect pair from the following:

  • A
    First phylum to possess a nervous system - $Cnidaria$
  • B
    First phylum to possess a complete digestive tract - $Aschelminthes$
  • C
    First phylum to possess a circulatory system - $Annelida$
  • D
    First phylum to possess a coelom - $Mollusca$

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