The answer is: [C]: "<span>an infinitive phrase as the subject" .
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The infinitive is: "To win" .
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The infinitve phrase is: "To win an argument" .
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Answer: A. Etiquette
Explanation:
Etiquette simply refers to the set of rules and customs that are required for polite behaviour, which typically occurs among the individuals in a particular profession or among a group of people. Etiquette, brings about good manners. Without etiquette, people would be rude towards one another.
Therefore, the correct option is A.
3rd person is writing about someone, 2nd is switching off, and 1st is themselves taking about themselves
The yolk of the egg is white