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Nowadaysmajornewproductswithoutconductingelaboratemarketresearch.A.hardlycorporationseverintroduceB.corporationshardlyintroduceeverC.hardlydocorporationsintroduceeverD.corporationshardlyeverintroduce为什么选D?

题目详情
Nowadays ____ major new products without conducting elaborate market research.
A.hardly corporations ever introduce
B.corporations hardly introduce ever
C.hardly do corporations introduce ever
D.corporations hardly ever introduce
为什么选D?
▼优质解答
答案和解析
这个要看句子的结构 S + V 期间穿插有副词语气词 corporation (s主语)+hardly ever (副词)+introduce (V 动词)