关于哌唑嗪的叙述哪些是正确的有

A．选择性阻断突出前膜α2受体

B．首次降压致严重体位性低血压

C．对血脂无明显影响

D．能拮抗NA的升压作用

E．通过降压反射性加快心率

_______ the production up by 60%，the company has had another excellent year.     [ ]

A. For        

B. As      

C. Because    

D. With