Questão número 639006

“This challenge” in “This challenge will have a longer term effect on our economies...” (lines 43-44) refers to the

• A.

  uncertainty about the future of the global economy.

• B.

  unclear estimation of oil reserves reported by the government.

• C.

  low carbon emissions resulting from conventional oil extraction.

• D.

  political and financial interests of the world’s economic leaders.

• E.

  confrontation of the unpleasant situation of oil shortage in the near future.