How many of the following are true solutions?
$I :$ Urea solution,
$II :$ Gelatin,
$III :$ Glucose solution,
$IV :$ $NaCl$ solution,
$V :$ Butter,
$VI :$ Blood

  • A
    $I, III, IV$
  • B
    $II, III, IV, V$
  • C
    $I, IV, V$
  • D
    $II, IV, VI$

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