英语中考前求助急!（单选）Have you ever been abroad?Yes,I ___ abroad some

英语中考前求助急!
（单选）
Have you ever been abroad?Yes,I ___ abroad some time ago.
A.have been
B.have gone
C.will go
D.had been
Are you sure you'll keep waiting here just to buy an iPhone4S?
Yes.I will no matter how long it ___.
A.takes
B.pays
C.spends
D.costs
对的小弟感激不尽!