For some time Thomas HenryHuxley and his workmates had been discussing the possibility that animalspecies had evolved, one from another.
这里的one from another是作什么成分？是插入语还是状语？还是看成独立主格结构（代词+介词短语）？
独立主格结构做状语，补充说明evolved的方法。
For some time Thomas HenryHuxley and his workmates had been discussing the possibility that animalspecies had evolved, one from another.
这里的one from another是作什么成分？是插入语还是状语？还是看成独立主格结构（代词+介词短语）？
独立主格结构做状语，补充说明evolved的方法。