He had many manners and he was always lending his money out to people for any apparent reason just to try to beat someone in a bet.
The correct sentence is (A). In this example the author stablishes a good parallel structure when he/she enumerates the items. Commas must not be used in an independent clause; in particular, before a verb (the comma before “were” is not correct as an example B).
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The correct pronoun for this sentence would be to use he or she instead of him and her. To state things clearer, let's try to take out the word "either" and use he and she in the sentence. So doing that, we will have "he could help you" that makes more sense that "him could help you". Do the same for she and her.
D compare and contrast
because it will help u compare the results and get the similarities of the result