those of和后面a warm-blooded以及a cold-blooded不匹配
those of mammal's
those of A's在GMAT中通常被认为是错误的。
those of 错误
those of 's 错误
those of指代不清
those of mammal's 重复 those和a warm-blooded mammal's逻辑意思不匹配
those of mammal's 重复 those和a warm-blooded mammal's逻辑意思不匹配
注意看后面的's
those of和后面名词所有格重复
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