Baptism is not a principle of Daoism.
Taoism, also known as Daoism, is a religious or philosophical tradition of Chinese origin with an emphasis on living in harmony with, and in accordance to the natural flow or cosmic structural order of the universe commonly referred to as the Tao (道, also romanized as Dao).
The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.