题干
—— Is Tom still smoking ?
—— No.By next Saturday he ＿＿＿＿＿＿＿ for a whole month without smoking a single cigarette.
A：will go
B：will have gone
C：will have bee
D：has been going
答案(点此获取答案解析）
B
中，
，则
( )
