ACCORDING TO THE PASSAGE, APPROXIMATELY HOW MANY NON-NATIVE USERS...

20. According to the passage, approximately how many non-native users of English are there in the world today? A. a quarter million B. half a million C. 700 million D. 350 million Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.