Select the appropriate option that can substitute the highlighted idiom in the given sentence.
The interns explained the whole issue to the coordinator in a nutshell.

Correct option is C

Option (c) "in a brief manner" is the correct meaning of the given idiom.
Given Idiom: "In a nutshell"
Meaning: To summarize or explain something in a very concise way (संक्षेप में).
Example:
"The teacher explained the entire chapter in a nutshell before the exam."
Other related idioms and their meanings:
· "To cut a long story short" – To give a brief summary of something.
· "Make a long story short" – Similar to "in a nutshell," meaning to summarize.
· "Put it in a few words" – Express briefly.
Meanings of other given options and why they are incorrect:
· (a) in a secret way – Incorrect, as "in a nutshell" does not mean secretive.
· (b) in a discouraging manner – Incorrect, the idiom refers to conciseness, not tone.
· (d) in an uncertain way – Incorrect, "in a nutshell" means precise, not uncertain.