21. 下列何者為自助餐廳沙拉吧餐檯佈設順序？ (A) Condiments→Dressings→Salad Plate→Vegetables(B) Salad Plate→Condiments→　Vegetables→Dressings(C) Salad Plate　Condiments→Dressings→Vegetables(D) Salad Plate→Vegetables→Condiments→Dressings