One Word Substitution

DIRECTIONS : In each of the following questions, out of the four alternatives, choose the one which can be substituted for the given words/sentence.
81. One who sacrifices his life for a cause
  A.  Soldier
  B.  Patriot
  C.  Martyr
  D.  Revolutionary
82. Commencement of words with the same letter
  A.  Pun
  B.  Rhyme
  C.  Oxymoron
  D.  Alliteration

83. Line at which the earth or sea and sky seem to meet
  A.  Plinth
  B.  Fringe
  C.  Zenith
  D.  Horizon
84. A child of unusual or remarkable talent
  A.  Freak
  B.  Diligent
  C.  Scholar
  D.  Prodigy
85. Opposed to great or sudden change
  A.  Static
  B.  Evolutionary
  C.  Conservative
  D.  Revolutionary