There has been a great increase in bicycle sales this year?A. does thereB. isn’t thereC. h

问题补充：

There has been a great increase in bicycle sales this year?

A. does there

B. isn’t there

C. hasn’t there

D. isn’t it

答案：

A. does there

B. isn’t there

(答案→)C. hasn’t there

D. isn’t it

解析：There has been 是There be的完成时，has是助动词，反问形式应用hasn’t there。