—In the United States, what should people do when they meet someone for the first time?

—They should _____. [ ]

A. bow

B. shake hands

C. kiss

D. touch noses

关于肾上腺皮质腺瘤的实验检查结果的论述，正确的是

A．尿17—羟明显增高，约110～138umol

B．尿17一酮明显增高，可达173umol以上

C．血浆ACTH测定降低

D．有低血钾性验中毒

E．美替拉酮试验大多有反应