【单选题】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 ...
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.