"act only upon that maxim that you can will at the same time will to be a universal maxim" is the formulation of the categorical imperative?

a. best

b. first

c. second

d. third

The correct answer is letter B.

Explanation: It is a concept of philosophy developed by the philosopher Immanuel Kant, who argues that every human being should act according to moral principles.

An imperative is any plan indicating that a particular action should be put in place that is subject to analysis.

The concept of imperative analyzes the motivation that drives the human being to act in different situations of life.