—Remember how we met for the first time, Dick?

—Of course I do．You ______ to the teachers’ office hurriedly and ______ me．

A．had walked; weren't noticing

B．were walking; didn't notice

C．had been Walking; noticed

D．walked; had noticed

把一批苹果分给幼儿园大小两个班，平均每人分3个；如果只分给大班，每人可分4个，如果只分给小班，每人可分______个．