Question

Pick the sentence that best conveys the meaning of the phrase "To kill two birds with one stone."

• A. To cause trouble for many people
• B. To achieve two goals with a single action
• C. To waste time on unnecessary things
• D. To be unable to decide between two options

Hint:

This idiom is used to highlight efficiency — achieving more with less effort or time.

Answer 1

The Correct Option is B

Step 1: Understand the idiom. 
The phrase "to kill two birds with one stone" means accomplishing two objectives by performing a single action. 
Step 2: Apply meaning contextually.
Example: "By cycling to work, I get exercise and save on fuel — I kill two birds with one stone."