Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
John, whose cough is terrible, needs to see a doctor.
A.John's terrible cough forces him to see a doctor
B.John's doctor does not want to see him because he has a bad cough
C.John needs to see a doctor because of his terrible cough
D.John's terrible cough prevents from seeing a doctor