Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Question 1: Those who had a lot of stress but did not believe it was harmful actually had the lowest risk about dying! D A B C Question 2: That makes it harder in blood to flow, but the blood vessels of the study A B с D participants stayed open. Question 3: It's no use to advise him. He never allows anybody to give advice. A B C D Question 4: She apologized for brrowing my dictionary without to ask for permission A B с and promised never to do it again. D giúp với ạ c.on