Select the most appropriate option to substitute the highlighted segment in the given sentence.
The situation in the city is now fully under control.

Correct option is B

The correct substitution of the highlighted words is (b) No substitution.
Explanation:
The phrase “under control” is idiomatic and grammatically correct. It means the situation is being managed or is no longer chaotic or problematic.
Example:
· The fire was dangerous, but now it is under control.
· The economy seems to be under control now.
Grammatical Rule Used:
“Under” is used as a preposition of condition/state, especially in expressions like "under pressure", "under observation", "under control".
Information Booster:
Prepositions like “under”, “over”, “beneath”, “beside” have idiomatic usages that are fixed and should not be changed unless the meaning changes.
Incorrect options:
· (a) beside: means next to. Not contextually correct. (बगल में)
· (c) below: means at a lower level or rank. Not suitable here. (नीचे)
· (d) beneath: means directly underneath. (तले)