Correct option is A
The correct meaning of the idiomatic expression "To kill two birds with one stone" is (a) Achieve two aims with a single effort.
This idiom means accomplishing two tasks or goals with one single action, signifying efficiency and resourcefulness.
To kill two birds with one stone (Hindi): एक पंथ, दो काज।
Example: By combining her grocery shopping with visiting a nearby friend, she killed two birds with one stone.
Meanings of the other options:
- To be well informed, to be intelligent: (Hindi: जानकार और बुद्धिमान होना) Incorrect; this is unrelated to the idiom.
- Do the most dangerous job: (Hindi: सबसे खतरनाक काम करना) Incorrect; the idiom does not imply danger.
- To rise to a higher position: (Hindi: ऊंचे पद पर पहुंचना) Incorrect; the idiom is not about promotion or advancement.