og143

143. Recently discovered fossil remains strongly suggest that the Australian egg-laying mammals of today are a branch of the main stem of mammalian evolution rather than developing independently from a common ancestor of mammals more than 220 million years ago.
(A) rather than developing independently from
(B) rather than a type that developed independently from
(C) rather than a type whose development was independent of
(D) instead of developing independently from
(E) instead of a development that was independent of

请问B和C的意思有什么不同，如果意思有差别，是independently from 和  independent of 的区别造成的吗？

有哪位帮忙解答吗，谢谢

buddha0511：你好！

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