The national parks are very important for the protection of these wild animals, which would run the risk of being extinct.
A. therefore
B. instead
C. otherwise
D. anyhow
网友回答
A. therefore
B. instead
(答案→)C. otherwise
D. anyhow
解析：词义辨析。Therefore因此；instead代替，而不是；otherwise 否则，不然；anyhow无论如何，不管怎样。句意：国家公园对于这些野生动物的保护非常重要，否则这些动物可能会面临灭绝的危险。所以选C。