Which of the following statements are correct regarding metallurgy of iron?

• A

  Coke reduces FeO to Fe above 1073 K

• B

  CO reduces Fe₂O₃ to FeO below 1073 K

• C

  CO reduces Fe₂O₃ to FeO above 1073 K

• D

  Coke reduces Fe₂O₃ to FeO below 1073 K