47. What argument did Holst give against sterilization?
(A) It would make Marius infertile but healthier.
(B) It would reduce genetic space for other giraffes.
(C) It could create long-term health problems for the animal.
(D) It would only delay, not solve, the surplus population issue.
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統計: 尚無統計資料
統計: 尚無統計資料