Read the following passage and mark the letter A; B; C; or D to indicate the correct answer, Read the following passage and mark the letter A B C or D to indicate the correct answer, Read the following passage and mark the letter A; B;C or D to indicate the correct answer, Read the following passage and mark the letter A. B. C. or D to indicate the correct answer., Read the following passage and mark the letter A. B. C or D to indicate the correct answer.