There has been a great increase in retail sales ﹖　　A. does thereB. isn't thereC. hasn't

问题补充：

There has been a great increase in retail sales , ﹖

A. does there

B. isn there

C. hasn there

D. isn it

答案：

A. does there

B. isn there

(答案→)C. hasn there

D. isn it

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