WHICH OF THE FOLLOWING STATEMENTS IS TRUE

42. Which of the following statements is true?Vietnam Society of Learning Promotion decided to (37) ... its activities to theA. American students can call their teachers by their first name..central mountainous provinces. At present, the number of illiterate people in theB. The atmosphere in American classrooms is always relaxed and friendly.remote and moutainous areas is (38) ... decreasing. It is hoped that illiteracyC. American teachers are never allowed to dress informally.will soon be (39) ... in our country as more and more people are taking part inthe (40) ... against it.D. The atmosphere in American classrooms is always formal.