I have little time to watch TV because I have   __     homework to do .[      ]

A .much too                

B .too much             

C. many too                

D. too many

以下哪种方法是向高级行政人员汇报月进展的正确手段（）

A、里程碑图

B、时标条形图

C、PERT

D、网络图