challenge: What is the song Chandni O Meri Chandni a remixed version of?
  
  A. A song from the film Kuch Kuch Hota Hai
  B. A song from the film Chaar Din Ki Chandni
  C. A song from the film Dilwale Dulhania Le Jayenge
  D. A song from the film Chandni
  Answer: 