good morning hope your day goes well
B. Soccer, as you know, is a very popular sport
I would say A however I am not sure
Answer:
A.It helps the reader understand how nervous and excited she feels.
The main character is examining the deceased monkey looking for a cause of death and has found multiple blood rings on it's stomach and has narrowed the cause of death down to just two causes, Simian Fever or Ebola. Hope this helps!