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(A) (E) a gradual reversion into the raising of agricultural staples
请问为什么不选择d呢? |