对于严重颅内压增高病人，首选的降颅压药物是

A．50%甘油盐水溶液

B．地塞米松

C．乙酰唑胺

D．20%甘露醇

E．双氢克尿噻

In relation to capital and financing of companies limited by shares:

(b) Explain the legal requirements that must be fulfilled if a company wishes to reduce its Charter capital. (6 marks)