Difference between independently from and independent of

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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

Answer B

What is the difference between independently from and independent of idioms?

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by AnjaliOberoi » Tue Jul 01, 2014 7:07 am
(A) rather than developing independently from - parallelism error
(B) rather than a type that developed independently from - correct
(C) rather than a type whose development was independent of - Development is a noun and if we compare the option c with option B, then in option B, developed is used ->verb and in GMAT VERBS > NOUN. Also, independent of means regardless of. It doesn't make sense to say a DEVELOPMENT regardless of a COMMON ANCESTOR.
(D) instead of developing independently from
(E) instead of a development that was independent of
The correct answer is B.

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