Answer:
to prove that women are citizens
Explanation:
B. You should not use the article as a reference. The lack of corroboration and outdated information outweigh the author's credentials.
An infinitive phrase is a group of words introduced by "an infinitive", This group of words may function as a noun, adjective or adverb. In the following example the infinitive phrase is working as an adjective, since it modifies the noun "topic".
<em>The best </em><u><em>topic</em></u><em> </em><u><em>to write about</em></u><em> </em><em>is one you know well.</em>
<em> noun infinitive phrase</em>
C. From the looks of fear and distrust, he would have guessed that before long his arrival would be the talk of the whole town. He saw nothing of all this. People with trouble do not look behind.