reasoning8.12日（1）

lihaolan

12. In the Centerville Botanical Gardens, all
tulip trees are older than any maples. A
majority, but not all, of the garden's sycamores
are older than any of its maples. All the
garden's maples are older than any of its
dogwoods.
If the statements above are true, which one of
the following must also be true of trees in the
Centerville Botanical Gardens?
(A) Some dogwoods are as old as the youngest
tulip trees.
(B) Some dogwoods are as old as the youngest
sycamores.
(C) Some sycamores are not as old as the oldest
dogwoods.
(D) Some tulip trees are not as old as the oldest
sycamores.
(E) Some sycamores are not as old as the youngest
tulip trees.
答案是E。I think c is also right .is that dogwood not tree?