—It's too late. I have to go now. —Oh, it's raining heavily outside. You'd better stay ___________ it stops.
A:until
B:since
C:while
D:though
请为下面的漫画拟写题目(不能以“无题”为题,不超过4个字),并写出漫画寓意(不超过30个字)。
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小朋友去春游,每人发一顶帽子.李老师领了85顶,一(1)班发掉25顶,一(2)班发掉30顶,剩下的发给一(3)班.一(3)班发了多少顶帽子?