题目选项分析

Laws requiring the use of headlights during daylight hours can prevent automobile collisions. However,since daylight visibility is worse in countries farther from the equator, any such laws would obvisouly be moreeffective in preventing collisions in those countries. In fact, the only countries that actually have such laws arefarther from the equator than is the continental United States.

Which of the following conclusions could be most properly drawn from the information given above?

【选项】The proportion of automobile collisions that occur in the daytime is greater in the continental United States than in the countries that have daytime headlight laws.