50 Which of the following statements can be inferred from the article?
(A)U.S. companies bought oil from overseas at a much lower price in 1974 than in 1973.
(B)In 1973, the U.S. Government put a high tax on gasoline and caused its price to rise sharply.
(C)Travelling in the U.S. is cheaper than travelling in Western Europe.
(D)In order to save money on gasoline, people would prefer Japanese small cars to American large cars.