我国建设工程法律法规体系中，《建筑业企业资质管理规定》属于（）
A.法律
B.行政规章
C.行政法规
D.部门规章
参考答案：D
—I hear Sam has gone to Qingdao for his holiday.
—Oh, how nice ! Do you know when he ? [ ]
A. left
B. was leaving
C. has left
D. had left
封君、封臣
