Stella was disappointed to find her new plan       and fell into great depression.

A．put away

B．carried out

C．turned down

D．left out

评价肾脏功能最常用最有价值的检测指标是（）

A.血尿素氮

B.血肌酐

C.内生肌酐清除率

D.菊粉清除率

E.血β₂微球蛋白测定