A. Abu Jahal
B. Ummayia Bin Harb
C. Ummayia bin Khalaf
D. Oqabah bin Abi al Mueet
Explanation:
Being born into slavery, Bilal had no other option but to work for his master, Umayyah ibn Khalaf. Through hard work, Bilal became recognised as a good slave and was entrusted with the keys to the Idols of Arabia.