Which of the following, if true, provides evidence that most logically completes the argument below?
According to a widely held economic hypothesis, imposing strict environmental regulations reduces economic growth. This hypothesis is undermined by the fact that the states with the strictest environmental regulations also have the highest economic growth. This fact does not show that environmental regulations promote growth, however, since ______. those states with the strictest environmental regulations invest the most in education and job training
even those states that have only moderately strict environmental regulations have higher growth than those with the least-strict regulations
many states that are experiencing reduced economic growth are considering weakening their environmental regulations
after introducing stricter environmental regulations, many states experienced increased economic growth
even those states with very weak environmental regulations have experienced at least some growth
答案 是A 为什么呢？ 我想不通呀 我第一个就排除了A。我先的是B | 
