When they took the grandmother's corpse away, birds flew away quietly.

Explanation:
When someone passes away, it is customary to remove the body from the house and make necessary arrangements for the funeral. In this case, when the grandmother's corpse was taken away, something interesting happened - the birds flew away quietly. Let's explore this further.

1. The grieving process:
- When a loved one dies, it is natural for the family to mourn the loss. They may experience a range of emotions like sadness, grief, and even shock. In this situation, the family members are likely to be mourning the death of their grandmother.

2. Neighbours paying condolences:
- Typically, when someone dies, it is common for neighbors, friends, and relatives to visit the bereaved family and offer their condolences. This is a way of expressing sympathy and support during a difficult time. However, in this case, it is mentioned that nothing like this happened, ruling out option (a).

3. Mourning in the grandmother's room:
- It is not uncommon for family members to spend time in the deceased person's room or create a small memorial space to remember them. This allows them to feel closer to their loved one and find solace in their presence. However, there is no mention of the family mourning the grandmother's death in her room, eliminating option (b).

4. Birds flying away:
- The only option left is that when the grandmother's corpse was taken away, birds flew away quietly. This implies that there were birds present near the house, possibly perched on trees or nearby rooftops. However, upon the removal of the grandmother's body, they flew away silently.

Conclusion:
Based on the given options, the correct answer is option (c) - birds flew away quietly when the grandmother's corpse was taken away. This detail adds a certain ambiance and symbolism to the scene, suggesting a natural reaction in the environment to the departure of the deceased.

Because the birds feel bad for frandmother