--The wall of your room doesn't look nice.  ---I wish I ___ it green.

A．shouldn't have painted

B．wouldn't painted

C．hadn;t painted

D．don't paint

按照防火要求，桥梁施工现场应当明确划分（）

A、禁火区

B、仓库区

C、办公区

D、生活区

E、生产区