I feel like C should also not be correct because the “this is not the case” in the stim is referring to the previous argument (not just the conclusion of it) that the liberal bias is BECAUSE of the journalists described political orientations.

I didnt pick C because I imagined the explanation to be “well the author didnt say that there wasn’t a liberal bias for reasons OTHER than the journalist’s political orientations.”

Any advice?

“Real wages in this country will increase significantly only if productivity increases notably.”

Why is “productivity increasing” not the necessary condition if “only if” is group 2

I picked C, because even though the stim doesn’t say that “materials” are important, we could very logically assume that knowing what type of material something is is very important for those future archaeologists, so the mosaics should not be removed because future archaeologists might need it and we dont want to mislead them.