The correct answer is D. inefficient.
The word “inefficient” means “not using time, energy, or resources in the best way possible.” In this context, it is being used to describe the situation where nothing has been organized properly and confusion seems inevitable. This is because if things are not organized properly, it will be difficult to find what you need when you need it, and this can lead to confusion and wasted time.
The other options are not correct because they do not accurately describe the situation. The word “uncertain” means “not sure or definite.” This does not accurately describe the situation, because it is not clear that confusion is inevitable. The word “ineligible” means “not qualified or allowed.” This does not accurately describe the situation, because it is not clear that anything is not qualified or allowed. The word “inevident” means “not clear or obvious.” This does not accurately describe the situation, because it is clear that confusion seems inevitable.