Mark the letter A, B, C, D on your answer sheet to show the underlined part that needs correction. Question 5. Several (A) people have apparent (B) tried to change the mans mind (C) , but he refuses to listen (D) . Question 6. Students suppose (A) to read all the questions (B) carefully and find out (C) the answer to them (D) . Question 7. Public health (A) experts say that the money one spends avoiding illness (B) is less than the cost (C) of to treat (D) sickness.