Which revision best combines these sentences to improve sentence variety and style?

A. Made out of oak I built an extra bookcase because I had too many books; now it just needs to be varnished.
C. I built an extra bookcase made out of oak and it juat needs to be varnished. I had too many books.
D. Because I had too many books, I built an extra bookcase made out of oak; now it just needs to be varnished."

1 answer

Because I had too many books, I built an extra bookcase made out of oak; now it just needs to be varnished.