What is the best way to join these two sentences:


The movie theater was packed full of people excited to see the new Star Wars movie. So I decided to go see Transformers instead.



a The movie theater was packed full of people, excited to see the new Star Wars movie, I decided to go see Transformers instead.


b Because the movie theater was packed full of people excited to see the new Star Wars movie, therefore I decided to go see Transformers instead.


c So I decided to go see Transformers instead, because the movie theater was packed full of people excited to see the new Star Wars movie.


d The movie theater was packed full of people excited to see the new Star Wars movie, so I decided to go see Transformers instead.