When did English appear as a language spoken by few people

A．English becomes a global language
B．native speakers of English have reached the number of at least 750 million
C．there might be one billion native speakers of English
D．many other nations have accepted the English language as their mother tongue

A．English has the largest number of native speakers in the world.
B．English has the largest technical and scientific terms in the world.
C．English is probably the richest. in vocabulary.
D．English is the most widely spoken and written language in the world.