男性患者，59岁，以“右侧肢体无力伴头痛、呕吐3小时，意识不清1小时”来诊。查体：血压192/100mmHg，左侧瞳孔散大，右侧肢体瘫痪，双侧Babinski征阳性。首要的治疗措施为（）

A.补充血容量

B.立即给降压药

C.给予血管扩张药

D.迅速给脱水药、降低颅压

E.给予促进清醒药物

Lee Pickett, CFA. a well-known and respected analyst, follows the computer industry and does research about types of measurement scales. Pickett categorizes a group of stocks into quartiles based on historical rate of returns. Pickett's approach is most consistent with which type of the following measurement scales（）

A. Nominal.

B. Ratio.

C. Ordinal.