Choose the correct statements with reference to organic evolution.
$I.$ Flippers of whale and wings of bat exhibit analogy.
$II.$ Wings of butterfly and wings of bird exhibit homology.
$III.$ Organs with dissimilar structure are called analogous organs.
$IV.$ Organs with similar structure and origin are called homologous organs.

• A
  $I$ and $IV$
• B
  $I$ and $III$
• C
  $III$ and $IV$
• D
  $II$ and $IV$