TOEFL Listening: TPO-TOEFL阅读TPO - 99CAQZLAIS3SJA46N$

Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. Arthur Einarsen's longtime family with the Pacific Northwest helped him discover areas where deer had an increase in suitable browse. B. Arthur Einarsen found that deforested feeding grounds provided deer with more and better food. C. Biologist like Einarsen believe it is important to find additional open areas with suitable browse for deer to inhabit. D. According to Einarsen, huckleberry and vine maple are examples of vegetation that may someday improve the nutrition of deer in the open areas of the Pacific Northwest.