here has been a great increase in retail sales , ____ ﹖【单选题】

时间：2021-06-29 01:53:28 解答: 79 次

here has been a great increase in retail sales , ____ ﹖

A. does there

B. isn't there

C. hasn't there

D. isn't it

正确答案：

参考解析：

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