3. It is exactly its great success in ru
题型：选择题
问题：
3. It is exactly its great success in rural reforms _____ prompted the country to make a bigger leap forward in the reform and opening-up drive.
A．where
B．what
C．that
D．when
3. It is exactly its great success in rural reforms _____ prompted the country to make a bigger leap forward in the reform and opening-up drive.
A．where
B．what
C．that
D．when