14. Karl's car consumes 1 gallon of gasoline every 35 miles, and it takes 14 gallons to fill up the tank. One day, Karl filled up his tank, drove 350 miles, and then added 8 gallons of gasoline. When he arrived at his destination, he had half a tank of gasoline left. How many miles did Karl drive? ( )
(A) 525
(B) 560
(C) 595
(D) 665
(E) 735
14. A.
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(14+8-7) \times 35=525
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