It's cruel ________ him to kill ______ many children with a knife. [ ]

A. of, such　　　

B. for, such　　　

C. of, so　　

D. for, so

有助于皮质醇增多症的诊断

A．苄胺唑啉降压试验
B．安体舒通试验
C．地塞米松抑制试验
D．肾动脉造影
E．尿浓缩稀释试验