Which of the Following Contains a Comma Splice

Which of the following contains a comma splice?

A) Vegans do not eat meat, fish, or poultry, they also do not use animal products.
B) Vegans do not eat meat, fish, or poultry; they also do not use animal products.
C) Vegans do not eat meat, fish, or poultry, and they also do not use animal products.
D) Vegans do not eat meat, fish, or poultry. They also do not use animal products.