challenge: Which programming languages are supported by the IBJOB Processor under the IBSYS System Supervisor?
  
  A. COBOL, Commercial Translator, Fortran IV, Macro Assembly Program
  B. COBOL, Pascal, Macro Assembly Program
  C. COBOL, Fortran III, Macro Assembly Program
  D. Commercial Translator, Fortran IV, Basic Assembly Program
  Answer: 