These natural parks are very important for preserving many animals, which would run the r

These natural parks are very important for preserving many animals, which would run the risk of becoming extinct(灭绝的)．
A. otherwise
B. other than
C. therefore
D. in another way

(答案→)A. otherwiseB. other thanC. thereforeD. in another way解析：考查副词：A. otherwise否则B. other than除了C. therefore因此D. in another way以另外的方式，otherwise“否则，要不然的话”，与虚拟语气连用。

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