This is because it was when the Allies were able to defeat the Axis powers, which gave hope to the Allies to fight stronger. Also, when they defeated Axis powers at that battle, they(ALLIES), now had vantage points on both sides of Germany; east(UK) and west (Russia).
A. Taping phone conversations
The correct answer is C) Simon Commission did not have a single India member.
Identify the appropriate reasons for the boycott of the Simon Commission by the Indian: "Simon Commission did not have a single India member."
When we talk about the Simon Commission we are referring to the Indian Statutory Commission of 1928. It was formed by the members of the British Parliament who visited India to investigate the situations and possible reformations in the country. However, Indian people strongly opposed to the formation of that commission by the simple fact that there were no Indian people in that group. So, how foreign politicians were going to implement political reformations in Indian without the participation of the native people of India?
That is shy prominent Hindu people such as Mahatma Gandhi, Nehru, and the Muslim League protested.
I would go with the last option.