26. With changing social structures in Taiwan, many businessmen copy the bright and style of the fast food chains with their standardized products and decor; they have even taken beef noodle soup into international grade hotels.
(A) hygienic
(B) unsanitary
(C) infected
(D) impure
(E) harmful

這道題目的考點在於環境衛生的形容詞詞義...