TOEFL Listening: TPO-TOEFL阅读TPO - 34W5DUDES4X32TGSN$

Which of the following can be inferred from paragraph 1 about the ground that we walk on? A. It cannot hold rainwater for long periods of time. B. It prevents most groundwater from circulating. C. It has the capacity to store large amounts of water. D. It absorbs most of the water it contains from rivers.