OK, B中“The cost of parking fees already makes it considerably more expensive ”,注意 already, 说明parking fees is expensive是一个继成事实, 可今天大家还是开自己的车, 这说明了people 对cost 的态度。 而A中"increases in the price of gasoline will increase the cost", 注意 will, 这是将来要发生的事, 发生之后people 会怎样并没说,你不能assume people will still drive their own car.
OK, B中“The cost of parking fees already makes it considerably more expensive ”,注意 already, 说明parking fees is expensive是一个继成事实, 可今天大家还是开自己的车, 这说明了people 对cost 的态度。 而A中"increases in the price of gasoline will increase the cost", 注意 will, 这是将来要发生的事, 发生之后people 会怎样并没说,你不能assume people will still drive their own car.