4. Why were the squirrels gathering nuts, mushrooms and chestnuts?

Analysis of Question 4:

The question asks for the reason why squirrels were gathering nuts, mushrooms, and chestnuts. The options are:

• a) It was the bird's advice.
• b) It was the rule.
• c) It was their wish.
• d) not stated.

The provided text does not offer any information about squirrels gathering nuts, mushrooms, or chestnuts, nor does it mention any advice from a bird, a rule, or their wishes regarding this activity.

Conclusion: The reason is not stated in the provided text. Therefore, the answer is (d).