10. Despite long days grazing on tall grasses, several of the cattle released into a new pasture have oddly shaped or broken legs and often lay down. These cattle might be suffering from __________.
(A) carbohydrate deficiency
(B) fat deficiency
(C) vitamin A deficiency
(D) phosphorus deficiency
(E) undernutrition
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統計: 尚無統計資料
統計: 尚無統計資料