Which of the italicized parts functions as a subject？A．It will scarcely be disputed by his

Which of the italicized parts functions as a subject？

A．It will scarcely be disputed by his warmest friends that he was in error.

B．The odds are that he will not do it.

C．I can"t make up my mind who should be asked to speak first.

D．I wasn"t certain whose house I was in.

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