Select the most appropriate idiom to substitute the highlighted group of words in the given sentence.
Once in a year, the management of the institute surveys the whole situation.

Correct option is A

Option (a) is the correct idiom to substitute the highlighted word.
Take stock of - To assess or evaluate a situation, usually to understand its current status or condition.
Idiom used in a sentence: Before making any decisions, it's important to take stock of the company's financial situation to determine the best course of action.