Geneticallymodified(转基因的)foodremains

问题详情：

 Genetically modified(转基因的) 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

知识点：形容词

题型：选择题