45.Why does the car rental company ask for the credit card number?

• A、To prevent the overuse of the car.

• B、To make sure that the car won't be damaged.

• C、To make sure the user return the car and pay for using it.

• D、To ensure that the car is safely and timely returned.

(60)___

38.Why could the woman be imprisoned for 10 years?

• A、She was caught DUI twice.

• B、She had her car crashed.

• C、She refused to take a blood test.

• D、She drove without a driving license.