The sentence can be corrected by inserting the correct punctuation so that the meaning and the flow of the sentence are correct. A comma should be inserted between net and Serena. Thus, option b is correct.
A comma is a punctuation mark that is used to show the short pause in between the sentence so that the listed items are separated from each other.
A comma (,) should be inserted between the words net and Serena to show a short pause in between the sentence showing the rivalry and sisterhood between the William sisters.
Therefore, option b. net, Serena is the correct option.
Learn more about commas here:
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