甘蓝菠菜谁有营养的问题的逻辑题

Kale has more nutritional value than spinach. But since collard greens have more nutritional value than lettuce, it follows that kale has more nutritional value than lettuce.

Any of the following, if introduced into the argument as an additional premise, makes the argument above logically correct EXCEPT:

(A) Collard greens have more nutritional value than kale.

(B) Spinach has more nutritional value than lettuce.

(C) Spinach has more nutritional value than collard greens.

(D) Spinach and collard greens have the same nutritional value.

(E) Kale and collard greens have the same nutritional value.

感觉这个题目没有正确答案的说。大全答案是
                A，A确实有问题，可是C也有问题的吧

题目：K〉S， C〉L，
        〉〉〉 K〉L

C) S〉C  〉〉〉  K〉S〉C〉L  〉〉〉 K〉L

比大小

原来是我推断方向错了

谢谢LS哈