哀阿~~居然連錯兩題! 氣~~~~
13.In spite of continuing national trends toward increased consumption of specialty foods, agronomists in the Midwest foresee a gradual reversion to the raising of agricultural staples: feed corn and hard red wheat.
(A) a gradual reversion to the raising of agricultural staples
(B) that a gradual reversion back will feature the raising of agricultural staples
(C) a gradual reversion back to the raising of agricultural staples again
(D) a gradual reversion to raise agricultural staples
(E) a gradual reversion into the raising of agricultural staples
答案是A, 請問C為什麼不對? 幫忙一下啦! thanks!