Answer: A.
According to science may at first sound like an opinion but it is in fact drawing facts from data etc.
B is a conclusion from D. C is also drawn from D, which leaves only A.
Also, A kind of sounds like a conclusion because they have started with "its obvious that", almost as an attempt to defend what they are trying to say!
Answer:
Really good over here!!! My crush actually asked me out to a mud bog this weekend, and im really excited for it.
To be uncomfortable with something?
*For his realistic and imaginative writings, combining as they do sympathetic humour and keen social perception*