Answer:
I think b and c
Explanation:
it might be wrong but that is what I would go with
"<span>b. had been a most unpleasant coincidence that the power outage had come when we had guests staying over; the entire house was full" uses a semicolon correctly because there is a long pause. </span>
B. Amniocentesis I am sure, please let me know if i am correct
