WHICH FOLLOWING SENTENCE IS NOT MENTIONED IN THE PASSAGE

Câu 18. Which following sentence is NOT mentioned in the passage ? A. El Nino is the name of a weather forecaster B. El Nino is used by weather forecasters C. El Nino is becoming more constant D. El Nino make the central part of the US drier Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.