Answer:Jargon
Explanation: Jargons are refereed to a special language(mostly professional) used and understood by a particular group of people to communicate effectively some specific contexts within them which people outside the group may not be able to understand. There are different types of jargons which are political jargons, Workplace jargons, Millitary jargons,Medical jargons, Buisness jargons etc
Jargons should not be confused with slangs which is also particular to a group but merely an informal spoken language chosen instead of the standard language of a particular word or words and are most times funny expressions.
<em>Requisite</em>
Made necessary by particular circumstances or regulations.
"the application will not be processed until the requisite fee is paid"
synonyms: necessary, required, prerequisite, essential, indispensable, vital, needed, needful
This would mean that the correct answer to your uestion would be C. Nikkita didn't get the job because she didn't posses the [Nesscary/Requisite] (exam?).
Another term for introduction is an exposition.
exposition: the part of a play or work of fiction in which the background to the main conflict is introduced.
Put a photo up for more explanation.
It could be 2 answers. Either 'In fact" or "In other words"
Pick the one that sounds better to you