The leader of the majority party in the House of Commons is usually Britain's Prime Minister.
I think the correct answer would be D. While practicing for interviews, it is important that you avoid using hand gestures. You are not presenting something here rather answering some questions. So, you should answer confidently and straightforwardly.
Answer:
Governments are necessary because they maintain law and order. Laws are necessary for society to function. Life in a society without laws would be unsafe and unpredictable.
The answer to your question is a