三焦经在上肢的循行部位是（）

A．外侧前缘

B．内侧中线

C．外侧后缘

D．内侧前缘

E．外侧中线

— Why don't you like your job? 

— It's always being ______ by mydirector.      [ ]

A. watched at              

B. watched out    

C. watched over          

D. watched on