Geneticallymodified(轉基因的)foodremains

問題詳情：

 Genetically modified(轉基因的) food remains ___________ nearly two decades after being introduced to the commercial market, as there is still no general agreement on whether it is harmful to humans.

A. conventional      B. contradictory        C. controversial       D. contrary

【回答】

C

知識點：形容詞

題型：選擇題