JOHN, WHOSE COUGH IS TERRIBLE, NEEDS TO SEE A DOCTOR

41. John, whose cough is terrible, needs to see a doctor.

A. John's terrible cough prevents from seeing a doctor.

B. John needs to see a doctor because of his terrible cough.

C. John's doctor does not want to see him because he has a bad cough.

D. John's terrible cough forces him to see a doctor.