challenge: Which two teams were promoted to Liga Alef at the end of the 1951-52 Liga Bet season?
  
  A. Hapoel Balfouria and Hapoel Kfar Saba
  B. Hapoel Kfar Ata and Beitar Netanya
  C. Hapoel Zikhron Ya'akov and Hapoel HaNamal Haifa
  D. Hapoel HaNamal Jaffa and Maccabi Nes Tziona
  Answer: 