Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. The English language can be divided into three main periods - Old English, Middle English and Modern English.

B. As a result of this remarkable flexibility, English is today's international language.

C. Today, English is a thriving, vigorous language spoken by nearly one-fourth of the population of the world.

D. English has achieved its global status because of an unusual and amazing ability to respond and change according to the needs of its users.