Which of these sentences uses the requisite. correctly

Requisite

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?).

The sentence that uses the word "requisite" correctly is C. Nikita didn't get the job because she didn't possess the requisites.

Explanation: The word "requisite" makes reference to something that is necessary in order to accomplish a particular purpose. In sentence C., "requisites" has been used correctly since the context of the sentence is related to the meaning of the word. In this case, Nikita does not possess the necessary qualities, which unables her to actually achieve her purpose: getting the job.  

the answer to the question is a

the answer should be

the simple past tense of strive.

hope this !