ABC Ltd is a company running a computer retailing business. Recently, a bank has offered to advance to the company a sum of money by way of a charge.The charge demands the company to use all the computer stock of the company as security for repayment. The charge document also provides that the charge will be crystallised if the total liabilities of the company should exceed HK$5 million.Required:In relation to the loan capital of a company:Advise the company as to the nature of the charge and the consequence if the liabilities of the company should exceed HK$5 million. (10 marks)

抗胆碱能药物抗休克的主要作用及用途是（）。

A.对抗乙酰胆碱引起的平滑肌痉挛。用于外周血管痉挛，提高血压，改善微循环

B.同时扩张小动脉和小静脉作用迅速。用于心源性休克，心排血量低而肺静脉压高者

C.阻断α受体兴奋，保护细胞内溶酶体，增强心肌收缩力，增强血管活性药物作用

D.与利尿药物合用，避免因减负荷作用导致体液潴留

E.增强正性肌力，用于利尿药无效的顽固性心衰