Which of the following is a compound-complex sentence?

matthew wants to become a lawyer, so he decides to go to law school.

because of the winter, martha decided to move all her saplings into the greenhouse.

even though jessie hates the zoo, jessie’s mom takes her family to the zoo because she likes the animals.

ivy cried when her dog got sick, but he soon got better.

after a long, difficult struggle, the people of india became free of british rule in 1947.