A the most suitable language to deal with diplomacy and international communication at a particular period in time.
B the language which, due to its power to facilitate intercultural communication, becomes dominant in the globe or in certain areas of it.
C the combination of anyone native language and English, resulting in a novel manifestation of the English language aimed at promoting easier communication.
D a language which, at a certain time period, is widely adopted for communication between speakers whose native languages are different from each other’s.
E the language with the largest number of speakers around the world at a specific historical period.