Answer:
1. Is banana being eaten by you?
2. Is English being spoken by him?
3. Had the assignment been completed by him?
4. Was the work been finished by her?
5. Were you invited by Arjun?
6. Is cricket being played by the children?
I lean more towards (A) because the husband is talking to his wife as a child and not as an adult which tends to describe and condescending attitude. However you could make an argument for (F).
Answer:
But her hand trembled when she put down the fourth bun.
Explanation: hope it helped