Which of the following is a rapid growth medium for Klebs-Loeffler Bacillus?

Klebs-Loeffler Bacillus is another name of Corynebacterium diphtheria. → Enrichment is necessary. → Selective media: Cysteine-Tellurite blood agar or Tinsdale medium. → For rapid growth: Loeffler's serum slope (also for TB). → Special stain to see granules - Albert's, Neisser's and Ponder's. Granules are also called as Polar bodies since arranged in poles.