Linda felt someone ________ on her way home from work yesterday evening, and therefore she was frightened and looked back from time to time.

A．followed

B．would follow

C．had followed

D．was following

为了施工图预算便于同标底对比，施工图预算可将（）费用综合在相应的路面结构内，不单独反映这些费用项目。

A.路缘石

B.挖路槽、培路肩

C.透层、粘层、封层

D.混合料的运输和拌和设备的安拆