Multiple choice general knowledge

Sometimes we went off the road and on a path through the pine forest. The floor of the forest was soft to walk on; the frost did not happen it as it did the road. But we did not mind the hardness of the road because we had nails in the soles and heels nails bit on the frozen ruts and with nailed boots it was good walking on the road and invigorating. It was lovely walking in the woods... 'Frozen nuts' means

  1. very cold roads

  2. wheel marks in which frost had become hard

  3. the road covered with frost

  4. hard roads covered with snow

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

The phrase refers to wheel ruts on the road that had frozen hard. 'Frozen ruts' means the wheel tracks/indentations in the road that had become hardened by frost, creating frozen grooves.