Answer:
Forth one and I'm sorry if my answer is going to turn out to be wrong.
Explanation:
This is a hard one and I can see why you decided to post it here. B is most definitely wrong but the other three are all neck and neck. There are both even pros and cons of A and C but I think it would be more reasonable to adopt a general routine. So I think the answer would be C.
What speaker are you talking about?
Answer:
And then everything was alright?
Explanation: