---Has your father returned from Africa yet?-Yes but he here for only three days befo

问题补充：

---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

答案：

(答案→)A. was

B. has been

C. will be

D. would be

解析：考查时态;句意是：你爸爸从非洲回来了吗？--是，但在公司派他去澳大利亚前，他只在这儿呆了三天，说明在这儿三天是发生在去澳大利亚前，也就是过去时间，选A。