Answer:
D: Inability.
Step-by-step explanation:
The question wants you to identify prefixes that go with the following words, inappropriate and institute. The prefix “in” means in, not or on. Inappropriate means not appropriate, inability means not able to do that specific thing and therefore fits the question.
Further examples:
Indelicate
Indescribable
Indelible
Indecision
Indecisive
Hope this helps.