Correct option is A
The idiom "strained every nerve" means to work extremely hard or make a maximum effort to achieve something.
•
Strained every nerve: To make every possible effort; to exert all one's energy or effort.
o Hindi Meaning: हर संभव प्रयास करना
o Example: He strained every nerve to complete the project on time.
Other options are incorrect:
• (b) Spent a large amount of money: Incorrect. The idiom "strained every nerve" refers to effort, not financial expenditure.
• (c) Tried all tricks: Incorrect. This refers to using deceitful methods, which doesn't match the meaning of working hard.
• (d) Bribed several persons: Incorrect. This implies using unethical means, whereas "strained every nerve" means working hard without implying any unethical behavior.