Answer: i would say tht the correct answer is in fact (A)
Explanation: thts what i would say
Gender inequality is the social process by which men and women are not treated equally, there is gender inequality in the world many girls, especially those from the poorest families, still face gender discrimination in education, child marriage and pregnancy, sexual violence and unrecognized domestic work
The second sentence is the only one which has a relative pronoun within the object of a preposition: This is the flag designer <u>of</u> whom<u> I have spoken</u>.
Explanation: the relative pronoun in the sentence is "whom" and it is placed between the preposition (of) and the object of the preposition (I have spoken).
All of the other sentences have no relative pronouns placed between prepositions and their objects.