It's D your choice as commas, split an explanation while the conjunction 'but' links two sentences. No need to separate them by using a semicolon.
Changes brought by Malala and her life struggles.
Malala Yousafzai is the most renowned and youngest Pakistani activist who stood to bring changes in the life of Pakistani girls. She struggled for the education of girls and for their equal rights. She is the girl who stood for education. She knew what it was when a person is denied of his most basic right to education, and which is why she became a voice for all the Pakistani girls.
Malala was aware of the injustice done with the Pakistani girls and how horrible it was to deny education to girls. And this is what motivated her to take a stand. Malala runs a ‘Malala Fund’ where she provides education to hundreds and thousands of girls. She is the one who transformed the lives of so many girls around the world.
Its expository text because it is explaining him and what he has done. I hope this helps.:)
No, it is not. It is a hyperbole. A metaphor compares two things using the words “is” or “was”
