The answer given in the book is "whom". But when I apply the substitution concept of "she/her", she fits better..for example I know(she) nursed the child). So according to the rule "who" should be the right answer. Please help.
Top answer
Well, I've never tried to apply any 'she/her' test, but both work. Whom is quite formal. A lady who/whom I know nursed the child.
— Mister Micawber
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