Select the most appropriate meaning of the given idiom.
Strain every nerve

Correct option is C

Option (c) is the correct meaning of the given idiom.
Strain every nerve: To make every possible effort; to try one’s best with full energy. (हरसंभव प्रयास करना)
Example: He strained every nerve to get the project done before the deadline.
Other Related Idioms:
Leave no stone unturned – To make every possible effort.
Go the extra mile – To do more than what is expected.
Move heaven and earth – To try extremely hard to achieve something.