TOEFL Listening: TPO-TOEFL阅读TPO - 8EU0FR09EP7834IPN$

According to paragraph 4, compared with all other states that use Ogallala water for irrigation, Texas A. has the greatest amount of farmland being irrigated with Ogallala water B. contains the largest amount of Ogallala water underneath the soil C. is expected to face the worst water supply crisis as the Ogallala runs dry D. uses the least amount of Ogallala water for its irrigation needs