Dr. Fields received so large bill when he checked out of the hotel that he did not have enough money to pay for a taxi to the airport.()

A. is the major cause of death between the ages of 35 and 55
B. is most often caused by smoking
C. never affects non-smokers
D. has nothing to do with smoking

A. To prove that football is the world’s most important sport.
B. To show that Argentina is better than all others.
C. To compare Scotland with Argentina.
D. To explain the role of sport.