Which of the following is the first member of monosaccharides?

  • A
    CH2OH-$CO$-CH2OH
    Option A
  • B
    $CH_{2}OH-CHOH-CHO$
  • C
    $CH_{2}OH-CHOH-CHOH-CHO$
  • D
    CH2OH-$CHOH$-$CO$-CH2OH
    Option D

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