The correct answer is B. Father
Before he left the house modifies father because it further explains the father's qualities, that is he is a person that's left the house.
Answer: I feel like a responsive citizen
Explanation: Whenever there is something I can help with I always try to help. Being a good citizen doesn't have to mean saving someone but that is one but it can also be stop water leaks try to stop water pollution.
Citizenship started in the Athens. If the Athens can do it like a million years ago we should be able to if you spot someone or something suspicious tell a officer or someone that can do something about it.
Answer: b
Explanation:
the other doctor is an expert and backed him up