試題詳解

10 The idea of global warming was retrieved from the bin and turned into one of the biggest arguments of our time.
(A)The idea of global warming began as a pure theoretical postulation and then the debate heated up dramatically.
(B)The idea of global warming resulted from laboratory research and then the debate heated up dramatically.
(C)The idea of global warming was initially due to natural disasters and then the debate heated up dramatically.
(D)The idea of global warming used to be refuted but has regained attention and become a hot topic of arguments these days.