Which sentence correctly uses the semicolon?
a. It was already late in the evening; and I wanted to go to bed
b. had been a most unpleasant coincidence that the power outage had come when we had guests staying over; the entire house was full.
c. Still, most of our guests had been understanding about it; so there was, for the most part, good humor all around d.We had it worse than everyone on the first floor, all the windows in all the upstairs rooms were tinted; and there wasn’t enough moonlight in the first place.
