Philip has gone to New Zealand．

Oh，can you tell me________?

A．when did he leave

B．when he is leaving

C．when he left

D．when is he leaving

工程量按面积以平方米为计量单位计算的有下面( )。

A．砖砌散水

B．现浇混凝土板后浇带

C．现浇混凝土雨篷

D．现浇混凝土天沟