I had neither a computer nor newspaper. _____ I don't know the latest news.        [ ]

A. It's the reason                    

B. That's why       

C. There's why                        

D. It's because

接收站系统的吹扫应用气体进行，吹扫压力一般控制在（），吹扫时应按系统顺序反复多次进行。

A、0.1～0.2MPa

B、0.5～0.6MPa

C、1.5～2MPa

D、2.5～3.6MPa