The Nobel Prize in chemistry was awarded to three scientists for their discovery that plastic can be
made electrically conductive--an advance that has led to improvements in film, television screens,
(A) that plastic can be made electrically conductive--an advance that has led
(B) that plastic can be made electrically conductive--this advance leading
(C) that plastic can be made to be electrically conductive, and this advance led
(D) of plastic's ability to be made electrically conductive, with this advance leading
(E) of plastic being able to be made electrically conductive--an advance that has led
B选项后面this advance leading...为何不能理解为独立主格呢?
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