Multiple choice general knowledge math & puzzles

I love sitting in front of an open fire. I feel as snug as ____ in a rug

  1. tub

  2. bug

  3. lug

  4. thug

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The idiom is 'snug as a bug in a rug' - meaning very comfortable, cozy, and warm. The other words don't complete this rhyming expression.