提示病人进行微循环衰竭期的表现是

A．表情淡漠

B．皮肤苍白

C．尿量减少

D．血压下降

E．全身广泛出血

-Four dollars a pair? Ithink it's a bit too much.

-If you buy three pairs, the price for each will _______to three fifty.    [      ]

A. come down                  

B. take down    

C. turn over                  

D. go over