Explanation:

The idiom “let the grass grow under one’s feet” means to delay taking action, waste time, or hesitate instead of acting promptly.

In simple words: to loiter or procrastinate.

Since the sentence says “He was undecided,” it implies that he delayed acting.

So, the best answer is A. Loitered around.

Real-Life Example

• He let the grass grow under his feet and missed the job opportunity.
• He wasted time and missed the job opportunity.

Main Points for Exams

• Let the grass grow under one’s feet means to delay or procrastinate.
• Loitered around is the closest meaning among the options.
• Therefore, Option A is correct.
• Frequently asked in PPSC, FPSC, CSS, PMS, NTS, IELTS, and other competitive exams.

Quick Memory Trick

🌱 Grass grows only if you don’t move!
⏳ No action = Delay

“Let the grass grow under your feet” = Waste time / Delay / Loiter ✔️