---Has your father come back from Africa?Yes but he here for only three days before

问题补充：

---Has your father come back from Africa?

--- Yes, but he here for only three days before his company sent him to Japan.

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： 略