When discussing "companions in guilt," Mackie is referring to... a. moral philosophers who are responsible for people's confusion about ethics. b. nonmoral properties that share the alleged "queerness" of moral ones. c. criminals who act immorally. d. ethical theories that Mackie takes to be false.

The answer is - B. Nonmoral properties that share the alleged "queerness" of moral ones

Explanation:

Companions in guilt arguments (CGAs) by Lillehammer H. is an argument for for ethical objectivity. J.L Mackie's book is on Ethics: Inventing Right and Wrong, in which she develops a term "The argument from queerness" which studies ethics. When Mackie is discussing Companions in guilt he is referring to nonmoral properties that share the alleged "queerness" of moral ones

answer; i believe the correct answer is prefrontal cortex;