按国家相关文件规定，行业规划被归类为( )中。
A．综合规划 B．专项规划 C．区域规划 D．空间规划
参考答案：B
The key _____ on the table when I left. [ ]
A. was left
B. will be left
C. is left
D. has been left
制宪机关与起草机构的区别。
