I spent the whole day repairing the motorbike. The work was ____ simple.

A．anything but

B．nothing but

C．something of

D．all except

鉴别尿崩症与精神性烦渴的试验是()
诊断嗜铬细胞瘤有意义的试验是()
诊断甲状旁腺功能亢进症有意义的试验是()
诊断胰岛素瘤有意义的试验是()
鉴别原发性醛固酮增多症与失钾性肾病的试验是()

A．高渗盐水试验

B．安体舒通试验

C．饥饿试验

D．酚妥拉明试验

E．皮质醇抑制试验