题目内容：

    We all know that English is accepted by an increasing number, but Chinese now is used by more and more people in the world. Do you know why? 1. I have thought about the answer for a long time. Now I have my answer come out. 

First of all, population plays an important role. 2.. Though China is a developing country, its own people will speak Chinese for sure. 3. It is its own advantage. However, some small countries have to try hard to make themselves accepted and then try their best to widen the using number of their language. 

4. With the right leading of Chinese leader, China has developed quickly in recent years. China has been accepted among the international world in the area of economic, culture, politics and so on. In another word, as the development of China, the communication between international countries makes more and more foreigners want to learn Chinese to build up some friendly relationship with Chinese. This is also a force to be reckoned with.

In general, Chinese becomes more and more widely used. 5.

根据短文内容，将下面方框内的句子还原到文中空白处，使短文内容完整、通顺（每个选项只能用一次）。

A.Secondly, development also can’t be left out.

B.There’s no doubt for its own advantage and its effort.

C.China is a country with a large population.

D.Maybe there are not many people studying this problem.

E.Then the language is spoken by an unbelievable number of people.