i would rather say the answer is the setting
In compound sentence, there are two independent clauses that are joined using a coordinator. While in complex sentence, there are two or more clauses with one essentially an independent clause while there can be on or more dependent clauses. The difference between compound and complex sentence is that there is no dependent clause in compound sentence and at least there is one dependent clause in complex sentence.
The right answer for the question that is being asked and shown above is that: "Women are judged under laws supposedly written only for males, so they are entitled to the same rights as males." The argument is Susan B. Anthony making in the passage is that <span>Women are judged under laws supposedly written only for males, so they are entitled to the same rights as males.</span>
I think the answer is C, sorry if it's wrong