I think it's the 3rd one. Might be wrong though.
Answer:
The answer is C. Even distasteful expressions of opinion are protected.
Explanation:
Oppression and domination are often concealed and this could be considered as a novel common situation. This is my paraphrase and it could mean for example that in modern society where the individual has a lot of freedom as mentioned by Erich Fromm that this situation can lead to isolation and being alienated from the big enterprises in which many people work and where the individual feels like just a small cog in a big wheel.
Not too sure, but I think it’s the last option: This is a complex sentence because it joins an independent clause with a dependent clause