(A) vast quantity of radioactive (B) material (C) is made when a hydrogen bomb (D) explode47/50Mark 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. (A) vast quantity of radioactive (B) material (C) is made when a hydrogen bomb (D) explode. vast quantity material is explodeGiải thíchĐáp án D