according/ the report/ governments/ now/take/ steps/ control/ amounts/ fossil fuels/ use//

• A. 
  According to the report, governments must now take steps to control amounts of fossil fuels that are using.
• B. 
  According to the report, governments must now take steps to control the amounts of fossil fuels which used.
• C. 
  According to the report, governments must now take steps to control the amounts of fossil fuels that are used.
• D. 
  According to the report, governments must now take steps to control the amounts of fossil fuels that was used.