补充题-16

16.   It is characteristic of the Metropolitan Museum of Art, as of virtually every great American museum, the taste of local collectors has played at least as large a part in the formation of their collections as has the judgments of the art historian.

(A) of virtually every great American museum, the taste of local collectors has played at least as large a part in the formation of their collections as has

(B) of virtually every great American museum, that the taste of local collectors has played at least as large a part in the formation of their collections as has

(C) it is of virtually every great American museum, that the taste of local collectors has played at least as large a part in the formation of its collections as have

(D) it is of virtually every great American museum, that the taste of local collectors have played at least as large a part in the formation of its collections as have（C）

(E) it is of virtually every great American museum, the taste of local collectors has played at least as large a part in the formation of its collections as has

这道题的结构不明白。如何确定at least as large a part in the formation of its collections as have 的数。 这里的as...as ...表示什么的比较？