Well the first thing you have to know to answer this is prepositional phrases
the prepositional phrase in this is for equal rights.
Here is a link to a site that gives you prepositional phrases. http://www.talkenglish.com/vocabulary/top-50-prepositions.aspx does not have any viruses to my knowledge. hope this helps.
The first answer is B. The second answer is C. The third answer is C. The fourth answer is D. The next answer is C. Next is B. Next is D. The next is A.