問題詳情

43 GM foods are especially popular now in the U.S.,_________ up to seventy percent of food products insupermarkets could contain a crop that has been genetically modified.
(A)that
(B)when
(C)where
(D)which

參考答案

答案:C
難度:適中0.5
統計:A(1),B(0),C(3),D(2),E(0)

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