Determine which of the sentence below so the best way for it to be combined

I rented two movies for Saturday. I invited a friend over to watch.

A) I rented to movies for Saturday and I invited a friend over to watch.
B) Since I rented two movies for Saturday, I invited a friend over to watch.
C) I rented two movies for Saturday; so I invited a friend over to watch.
D) Correct as is