【单选题】
There has been a positive response to the export promotion（）？
There has been a positive response to the export promotion（）？
A、 hasn’t it
B、 hasn’t there
C、 doesn’t it
D、 has there
题目答案
答案解析
略
略
A、 hasn’t it
B、 hasn’t there
C、 doesn’t it
D、 has there