I was also thrown off by the word "every". I understand how "attacks [that] do not confront the opponent's argument" fall into the category of a debating technique that does not confront every argument, but what would classify as a debating technique that DOES confront every argu...

I still don't understand why C is wrong. Is boasting of equal access to life-saving medical procedure not a counter-example to "high human costs"? If not, what would be an example of a counter-example?