Which of the following sentences is a compound-complex sentence? A. Because we had limited time, we didn't read the last act of the play, yet we still enjoyed it.

B. Do you think we should start class now, or do you think we should wait for everyone else?

C. Dogs make the best companions, but my brother has five dogs and that's just too many.

D. I would have gotten the award for best attendance, but my attendance wasn't good enough.