In a list of sentences, identifying clichés requires recognizing overused phrases. Revising clichés involves replacing them with original language.
A cliché is an overused phrase or idea that has lost its originality. In the given sentences, sentence B, 'She'll be as tired as a runner after a marathon if she doesn't get a good night's sleep', contains a cliché comparing tiredness to a runner after a marathon.
To revise this cliché, you could say, 'She'll be utterly exhausted if she doesn't get a good night's sleep.'
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