e is best
but "based on" can not work as a preposition mofifying a clause. based on is a participle, so , it must refer/modify a noun. there is no such noun in e.
some questions in gmatprep are also not perfect but we can still find the best among 5 choices.
but "based on" can not work as a preposition mofifying a clause. based on is a participle, so , it must refer/modify a noun. there is no such noun in e.
some questions in gmatprep are also not perfect but we can still find the best among 5 choices.

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