SAT备考 - 每日一题（47）阅读/干扰迷惑信息怎么办？

这道题非常有趣，在题干中故意放入了干扰和误导信息。 While Zambia has a favorable climate for agriculture and the third largest water resource among the countries of Africa, only a small percentage of suitable agricultural land was under cultivation in the early 2000s. However, before a period of drought began in the late 2010s, increased investment in irrigation infrastructure proved effective in expanding Zambia's agricultural output： （ ） Which choice most effectively uses data from the graph to complete the assertion? 尽管赞比亚拥有适宜农业的气候，并且是非洲国家中第三大水资源国，但在21世纪初，在这些适宜农业的土地中，仅有很小一部分用于耕种。然而，在2010年代末期出现干旱之前，对灌溉设施增加投资，被证明可以有效地扩大赞比亚的农业产出。 请根据图表，选择最有效的选项，完成上述陈述？