A-A+
A.Its being drained from Nebraska to Texas. B.
问题详情
A.Its being drained from Nebraska to Texas.
B.Its being pumped out.
C.Its becoming contaminated with oil
D.Its becoming much warmer.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
B【解题思路】由选项中的beingdrained、beingpumpedout等可大致推测本题中的it可能指的是水。【解析】答案出现在groundwater之后紧接着的那句，地下水通过钻孔被抽出，喷洒在土地上来灌溉作物，故选B。
