The best way to revise this sentence to eliminate wordiness and redundancy as in the task content is; Choice B; Who hasn't heard of Nelson Mandela?
It follows from the task content that the sentence given which is intended to be revised in a bid to eliminate wordiness and redundancy is;
It is however, noteworthy to know that in a bid to eliminate wordiness, the sentence must not be taken out of context as the meaning must be preserved.
Hence, Choice B; Who hasn't heard of Nelson Mandela? is the best revision of the sentence.
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