Option a is correct. The terms that contribute to an informal writing style is first-person pronouns, shorter sentences, emphasis on active-voice verbs and Conversational language.
Informal interaction amongst coworkers is known as informal communication.
It is informal in character and is based on the social bonds that establish between coworkers away from the traditional company structure.
Informal communication, also referred to as grapevine communication, helps people build social connections with one another.
It encourages morals as well as cooperation, integrity, and solidarity among them.
Grapevine communication is slower than informal communication.
In writing, the term "informal style" describes speech or writing that stands out for its easygoing, everyday, and frequently colloquial use of language.
In comparison to a formal writing style, informal writing is typically more direct and makes greater use of contractions, abbreviations, short sentences, and ellipses.
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