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hiiamjo

Of the twin supernovas, the most recently discovered is the largest, but it is the small one that has irrevocably altered astronomists’ ideas about the origins of the universe.

(A) the most recently discovered is the largest, but it is the small one

(B) the one most recently discovered is the largest, but it is the small one

(C) the most recently discovered is larger, but it is the smaller

(D) the more recently discovered one is the large one but the small one（E）

(E) the more recently discovered is the larger, but it is the smaller one

为什么不是the more recently discovered (one) is the larger (one)

两个one 为什么可以省略？