The statement that best evaluates the reasoning in this excerpt from "Argument" is The reasoning is sound; the author's argument is logical.
Explanation:
Sound reasoning is a kind of argument that makes sense and appeals to logic, the thesis that a person can not be angry at another just because of their beliefs has a totally logic fundament and it can be proved through common sense and social experimentation, it is considered illogic to try to impose over others.
As nouns the difference between integrity and probity is that integrity is steadfast adherence to a strict moral or ethical code while probity is integrity.