甲：“你的头发怎么一天比一天少？”

乙：“因为我每天都在忧虑”

甲：“忧虑什么呢？”

乙：“我的头发一天比一天少！”

请认真阅读短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

Can the time go slower?

— by Joanna Pitt

Can the time go slower?

I'm still thinking of

the answers.

Can the time go slower?

My head is not

yet clear.

Can the time go slower?

For me the rules of math are

too hard to remember.

Can the time go slower?

My grade is what my father

really cares about.

So can the time go slower?

My dear teacher,

I don't want to run behind others.

Oh no!

There are still lots of questions

to be answered!

如图，在平行四边形ABCD中，BE、CE分别平分∠ABC、∠BCD，E在AD上，BE=12cm，CE=5cm，求平行四边形ABCD的周长．