题干
-- Yesterday Suzy fell over and was hurt badly while she a snowball.
-- I'm sorry to hear that.
A：made
B：was making
C：makes
D：is making
答案(点此获取答案解析）
B
-- Yesterday Suzy fell over and was hurt badly while she a snowball.
-- I'm sorry to hear that.
A：made
B：was making
C：makes
D：is making
,若对于任意的
,都有
,则
的最小值为( )