脓液黄白稠厚者为（）

A．气血充足 

B．气火有余 

C．血虚 

D．血络受损 

E．余毒日久，损伤日久

—Would you like to ____ on the performances of my students?   

—Sorry, but I am not in the position to do so.     [ ]

A. have comment on  

B. make a comment on  

C. say some comment about  

D. raise a comment on