Nowadays ____ major new products without conducting elaborate mar_英语解答

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?

人气：321 ℃　时间：2020-05-30 15:50:19

解答

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）