Which of the following is the best example of business ethics guided by philosophy?

A. A baker refused to make a cake for a same-sex wedding reception because he believed in the "marriage is one man and one woman only" scenario presented in the Bible.
B. A baker refused to make a cake for a same-sex wedding reception because he had been raised by his parents and grandparents to believe that "marriage is one man and one woman only."
C. A baker refused to make a cake for a same-sex wedding reception because the state in which the wedding reception was to take place had a law that said that "marriage is one man and one woman only."
D. A baker refused to make a cake for a same-sex wedding reception because he asked several respected citizens in his town about it and they all said that "marriage is one man and one woman only."

Answer: D. A baker refused to make a cake for a same-sex wedding reception because he asked several respected citizens in his town about it and they all said that "marriage is one man and one woman only."