The sentence “visions of squat poplars and earless corn stalks are dancing in their heads” (Lines 2-3, Para.1) probably means ______.
A、squat poplars and earless corn stalks are too difficult to realize.
B、squat poplars and earless corn stalks are all illusions to the Plant Breeders.
C、the Plant Breeders are thinking of the realization of squat poplars and earless corn stalks.
D、the Plant Breeders are helpless with the squat poplars and earless corn stalks.
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试题解析
事实细节题。由题干定位至第一段。由本段第二句visions of squat poplars and earless corn stalks are dancing in their heads.可知植物育种家们正在酝酿实现这两种产品，故排除B，C正确；A和D在文中未提及，故排除。
