試題詳解

45. What does the expression, “the CO₂ implications of that” refer to in the sixth paragraph?
(A) Wood burning on an open fire accounts for 10-20 percent of global CO2 emissions.
(B) The entrepreneur tried to promote wood burning on an open fire.
(C) The organization tried to reduce CO2 emissions by burning wood on an open fire.
(D) The entrepreneur bought many cars while selling super-efficient wood-burning stoves.