Which of the following sentences is a compound-complex sentence?

1. Jose cried when his dog was injured, but the dog soon felt better, and he recovered nicely.

2. After all the hard work Stephanie had done on her assignment, she forgot it at her house.

3. Our team tried hard to outsmart the other team, but we lost the last, most important game.

4. Carl had never heard a wolf cry in real life before, although he had heard many on television.