— Has your father returned from Africa yet? 

— Yes, but he _____ here for only three days before his company sent him to Australia. [ ]

A. was

B. has been

C. will be

D. would be

国际互联网络上著名的《中国之窗》是多镜像的网点，其在北京的镜像网点是（）。

A.http：//globalnet.intercom.com.cn/

B.http：//china-window.com/

C.http：//china-window.com.cn/

D.http：//www.chinA.com.cn/