求教

The versions of Spanish spoden in Madrid and in Buenos Aires are as distinct one from the other as the kinds of English spoken in Edinburgh and in Atlanta

(B) as distinct from each other as

(C) distinctive from one another as are

(D) distinctive from each other as are

(E) as distinctive on from the other as

the given answer is B,why not D.....求教

D中as ... as结构的第一个as少了，句子间的对比关系被破坏了。