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FORTRAN is a:

  1. Regular language.
  2. Context-free language.
  3. Context-senstive language.
  4. None of the above.
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C. Context-sensitive language.

Due to the presence of some features which cannot be handled by PDA.

Some of the features are:

  1. Variable declared before use
  2. Matching formal and actual parameters of functions
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Option C Context-sensetive language.

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